A&P Lab 1: Unit 13 PAL Gross Anatomy Muscular

The ball and socket joint in the hip is similar to the ball and socket joint of the shoulder but is designed more for __________ than ___________. A. power; precision B. precision; speed C. speed; precision D. precision; power

A. power; precision

Which criterion was used to name the gluteus maximus? A. Relative size B. Shape of the muscle C. Action of the muscle D. Number of origins

A. Relative Size (?)

Movement of the forearm includes __________. A. pronation and supination B. flexion and extension C. extension and pronation D. supination and flexion

A. pronation and supination

The origins of the rectus abdominus muscle are on the __________. A. pubic bone b. ischial bone C. ileum bone D. sacral bone

A. pubic bone

The two heads of the biceps brachii combine to insert on the __________. A. radial tuberosity B. radial notch C. ulnar notch D. olecranon process

A. radial tuberosity

The two heads of the biceps brachii muscle come together distally to insert on the __________. A. radial tuberosity B. deltoid tuberosity C. styloid process of the radius D. ulnar tuberosity

A. radial tuberosity

The entire length of longissimus muscle extends from the mastoid process of the temporal bone to the __________. A. sacrum B. thoracic vertebrae seven C. linea aspera of the femur D. lumbar vertebrae five

A. sacrum

The anterior muscles of the thigh that originate on the os coxae are __________. A. sartorius; rectus femoris B. vastus lateralis; vastus medialis C. sartorius; vastus medialis D. rectus femoris; vastus medialis

A. sartorius; rectus femoris

The least variable of the different parts of the spinalis muscle is the __________. A. spinalis thoracis B. spinalis capitis C. spinalis lumborum D. spinalis cervicis

A. spinalis thoracis

The angle of which muscle prevents the humeral head from sliding upward out of the joint as the arm is raised? A. subscapularis B. supraspinatus C. infraspinatus D. teres minor

A. subscapularis

The rhomboid minor muscle sits __________. A. superior to the rhomboid major B. deep to the rhomboid major C. inferior to the rhomboid major D. superficial to the rhomboid major

A. superior to the rhomboid major

The insertion of the pectineus muscle is __________ and on the __________. A. posterior; femur B. anterior; femur C. anterior; pubis D. posterior; pubis

A. posterior; femur

The extensor hallucis longus muscle inserts on digit __________. A. three B. one C. four D. two

B. one

The pectoralis minor muscle is innervated by the __________. A. clavicular nerves B. pectoral nerves C. sternal nerve D. ulnar nerves

B. pectoral nerves

The biceps femoris is located in the __________. A. anterior thigh B. posterior thigh C. anterior arm D. posterior arm

B. posterior thigh

The muscles that extend the forearm are located __________. A. medially B. posteriorly C. anteriorly D. laterally

B. posteriorly

Of all the flexor muscles of the forearm, the __________ is the shortest. A. flexor carpi radialis longus B. pronator teres C. flexor digitorum superficialis D. flexor ulnaris

B. pronator teres

The origin of the flexor carpi radialis is on the __________. A. metacarpals B. ulna C. humerus D. radius

C. humerus

The origin of the long head of the triceps brachii is on the __________. A. olecranon process of the ulna B. posterior shaft of the humerus C. infraglenoid tubercle of the scapula D. anterior shaft of the humerus

C. infraglenoid tubercle of the scapula

The transversus abdominus muscle is innervated by the __________. A. inguinal nerve B. left scapular nerve C. intercostals nerves D. thoracic nerve

C. intercostals nerves

The actions of the muscles that cross the hip do not include __________. A. extension B. medial rotation C. inversion D. flexion

C. inversion

The tibialis anterior muscle dorsiflexes the foot at the ankle and also assists in __________ of the foot. A. extension B. eversion C. inversion D. plantar flexion

C. inversion

The hamstring muscles originate on the __________. A. medial surface of the fibula B. medial surface of the tibia C. ischial tuberosity D. lesser trochanter of the femur

C. ischial tuberosity

The tensor fasciae latae stabilizes the hip joint and the __________ joint. A. sacral B. ankle C. knee D. elbow

C. knee

The posterior axial muscle that crosses the glenohumeral joint is the __________. A. brachioradialis B. pectoralis major C. latissimus dorsi D. trapezius

C. latissimus dorsi

The key actions of the pectoralis major muscle are __________. A. lateral rotation and abduction B. shoulder extension and adduction C. medial rotation and adduction D. elbow flexion and elbow extension

C. medial rotation and adduction

The insertion of the extensor carpi radialis longus muscle is on __________. A. metacarpal four B. metacarpal one C. metacarpal two D. metacarpal three

C. metacarpal two

The palmaris longus inserts on the __________. A. bodies of phalanges 2-5 B. bases of the second and third metacarpals C. palmar aponeurosis D. medial epicondyle of the humerus

C. palmar aponeurosis

The most powerful movement at the ankle joint is __________, and the ________ is one of the prime movers of this movement. A. dorsiflexion; tibialis anterior B. dorsiflexion; gastrocnemius C. plantar flexion; gastrocnemius D. plantar flexion; tibialis anterior

C. plantar flexion; gastrocnemius

All fibers of the triceps brachii are innervated by the __________. A. axillary nerve B. ulnar nerve C. radial nerve D. humeral nerve

C. radial nerve

The two heads of the biceps brachii muscle converge distally to insert on the __________. A. scapula B. ulna C. radial tuberosity D. ulnar notch

C. radial tuberosity

All fibers of the trapezius muscle are innervated by the __________. A. coxal nerve B. scapular nerve C. spinal accessory nerve D. axillary nerve

C. spinal accessory nerve

True or False: The anterior axial muscle that crosses the glenohumeral joint is the pectoralis major muscle.

True

Why are the muscles that move the fingers and wrist located in the forearm? A. This design allows the hand to maintain fine motor control and strength without the interference of bulky muscles. B. This design allows the muscles to contract more rapidly. C. This design allows the hand and fingers to have greater sensitivity to environmental stimuli. D. This design allows for less torque strength by the tendons of the fingers.

A. This design allows the hand to maintain fine motor control and strength without the interference of bulky muscles.

One of the actions of the latissimus dorsi muscle is to __________. A. adduct the arm B. flex the arm C. abduct the arm D. lateral rotation of the arm

A. adduct the arm

A reduction in the lateral angle of the glenohumeral joint in relation to the anatomical position would be called __________. A. adduction B. flexion C. abduction D. extension

A. adduction

At its insertion (unlike at its origin), the buccinator muscle __________. A. attaches to fibers of another facial muscle B. attaches to a prominent point on the mandible C. attaches at two distinct sites on the bone D. converges on a single process of the mandible

A. attaches to fibers of another facial muscle

The actions of the internal obliques include __________. A. compression of the abdomen to assist in forced expiration B. compression of the rib cage to assist in forced inspiration C. compression of the abdomen to assist in forced inspiration D. compression of the rib cage to assist in forced expiration

A. compression of the abdomen to assist in forced expiration

The coracobrachialis muscle originates on the __________. A. coracoid process of the scapula B. radial tuberosity C. medial surface of the humeral shaft D. greater tuberosity of the humerus

A. coracoid process of the scapula

The main action of the fibularis longus is to __________. A. evert the foot B. dorsiflexes the foot C. invert the foot D. plantar flexes the foot

A. evert the foot

The extensor muscle that branches to form four tendons on the back of the hand is the __________. A. extensor digitorum B. extensor carpi radialis longus C. extensor ulnaris D. extensor carpi radialis brevis

A. extensor digitorum

The lateral rotators act on the __________. A. femur B. os coxae C. lumbar vertebrae D. sacrum

A. femur

Eversion of the foot is a function of the __________. A. fibularis longus B. extensor hallucis C. extensor digitorum D. tibialis anterior

A. fibularis longus

Both heads of the biceps femoris muscle __________. A. flex the leg at the knee B. extend the hip C. flex the hip D. extend the leg at the knee

A. flex the leg at the knee

Movement of the elbow joint movement is limited to __________. A. flexion and extension B. supination and flexion C. pronation and supination D. extension and pronation

A. flexion and extension

Which muscle of the wrist and fingers is a deep anterior flexor? A. flexor pollicis longus B. flexor digitorum superficialis C. flexor carpi ulnaris D. palmaris longus

A. flexor pollicis longus

Abduction requires the action of two muscles, and adduction requires the action of __________. A. four muscles B. two muscles C. one muscle D. three muscles

A. four muscles

The insertion of the supraspinatus muscle is on the __________. A. greater tubercle of the humerus B. lesser tubercle of the humerus C. intertubercular groove of the humerus D. spinous process of the scapula

A. greater tubercle of the humerus

All the tendons of the rotator cuff muscles combine at which location? A. humeral head B. coranoid process C. scapula D. radial tuberosity

A. humeral head

The iliacus and the psoas major muscles are collectively known as the ____________ muscle because they share a common insertion on the __________ of the femur. A. iliopsoas; lesser trochanter B. iliopsoas; greater trochanter C. psoasiliacus; greater trochanter D. psoasiliacus; lesser trochanter

A. iliopsoas; lesser trochanter

The majority of the fibers of the gluteus maximus insert onto the __________. A. iliotibial tract B. superior border of the os coxae C. gluteal tuberosity D. inferior border of the os coxae

A. iliotibial tract

The long head of the biceps femoris muscle originates on the __________. A. ischial tuberosity B. anterior superior iliac spine C. posterior superior iliac spine D. iliac crest

A. ischial tuberosity

An origin of the supinator is the __________. A. lateral epicondyl of the humerus B. ulna C. radius D. supinator crest of the humerus

A. lateral epicondyl of the humerus

Both the Psoas major muscle and iliacus muscle insert on the __________. A. lesser trochanter of the femur B. linea alba of the femur C. intertrochanteric crest D. greater trochanter of the femur

A. lesser trochanter of the femur

The subscapularis muscle inserts on the __________. A. lesser tubercle of the humerus B. greater tubercle of the humerus C. intertubercular groove of the humerus D. deltoid tuberosity of the humerus

A. lesser tubercle of the humerus

The masseter is innervated by the _____________ branch of the trigeminal nerve. A. mandibular B. ophthalmic C. lingual D. maxillary

A. mandibular

The latissimus dorsi inserts __________. A. on the intertubercular groove of the humerus B. on the greater tubercle of the humerus C. on the deltoid tuberosity of the humerus D. on the lesser tubercle of the humerus

A. on the intertubercular groove of the humerus

To allow for flexion, the __________ unlocks the knee joint. A. popliteus B. sartorius C. biceps femoris D. semimembranosus

A. popliteus

The semitendinosus muscle lies ______________ to the semimembranosus muscle. A. posterior B. anterior C. lateral D. deep

A. posterior

All fibers of the semimembranosus muscle converge to insert on the __________. A. posterior tibia B. posterior femur C. anterior femur D. anterior tibia

A. posterior tibia

The temporalis muscle originates on the __________ and inserts on the __________. A. temporal fossa; coronoid process of mandible B. zygomatic arch; temporal fossa C. temporal process; mandibular fossa D. temporal fossa; zygomatic arch

A. temporal fossa; coronoid process of mandible

Which of the following muscles assists during extension of the glenohumeral joint, but is not as a prime mover? A. teres major B. biceps brachii C. latissimus dorsi D. deltoid

A. teres major

Which of the following groups of muscles are not muscles of the shoulder? A. the anterior flexor muscles B. muscles that act on the pectoral girdle C. muscles that stabilize and cross the glenohumeral joint D. the rotator cuff muscles

A. the anterior flexor muscles

The two heads of the gastrocnemius muscle converge to insert onto __________. A. the calcaneus B. the posterior surface of the tibia C. the middle phalanx of digit one D. digits two through five

A. the calcaneus

The posterior surface of the tibial shaft is __________. A. the origin of the flexor digitorum longus B. the insertion of the flexor digitorum longus C. the joint where the muscle induces movement D. none of the above

A. the origin of the flexor digitorum longus

Which joint is considered the most flexible joint in the body? A. the shoulder joint B. the hip joint C. the wrist joint D. the elbow joint

A. the shoulder joint

The tibialis posterior muscle originates at which three locations? A. tibia, fibula, and interosseous membrane B. fibula, patellar surface, and interosseous membrane C. tibia, patellar surface, and interosseous membrane D. tibia, femur, and interosseous membrane

A. tibia, fibula, and interosseous membrane

Which of the following is not true of the deep fascia of the leg? A. separates anterior and posterior muscles B. an insertion for the majority of lower leg muscles C. aids in venous return D. prevents excess swelling of the muscles

B. an insertion for the majority of lower leg muscles

The smallest of the posterior extensors of the elbow joint is the __________. A. biceps brachii B. anconeus C. triceps brachii D. brachioradialis

B. anconeus

The pectoral girdle consists of the __________. A. scapula and humerus B. clavicle and scapula C. clavicle, scapula, and humerus D. clavicle and humerus

B. clavicle and scapula

The pectoralis major muscle can be divided into groups of fibers superior, or __________, and inferior, or __________. A. sternocostal; clavicular B. clavicular; sternocostal C. humeral; scapular D. scapular; humeral

B. clavicular; sternocostal

The buccinator muscle __________. A. does not function during chewing B. compresses the cheeks C. raises the corners of the mouth D. purses the lips

B. compresses the cheeks

The deep posterior extensor of the wrist and fingers __________. A. controls the index finger and wrist B. controls the thumb and index finger C. controls all four digits D. controls the thumb and wrist

B. controls the thumb and index finger

Of the nine muscles that cross the shoulder joint and insert on the humerus, which muscle is considered to be a prime mover? A. coracobrachialis B. deltoid C. pectoralis minor D. supraspinatus

B. deltoid

The vastus intermedius __________ the leg at the knee. A. medially rotates B. extends C. laterally rotates D. flexes

B. extends

Acting bilaterally, the splenius capitis __________. A.rotates the head B. extends the head C. laterally flexes the head D. medially flexes the head

B. extends the head

The buccinator muscle is innervated by the __________. A. abducens nerve B. facial nerve C. vagus nerve D. trigeminal nerve

B. facial nerve

The vastus lateralis is innervated by the __________. A. sacral nerve B. femoral nerve C. fibular nerve D. tibial nerve

B. femoral nerve

The soleus muscle __________ the foot at the ankle and is innervated by the __________. A. flexes; fibular nerve B. flexes; tibial nerve C. extends; fibular nerve D. extends; tibial nerve

B. flexes; tibial nerve

Which superficial flexor muscle of the forearm is the most lateral? A. flexor digitorum superficialis B. flexor carpi radialis C. flexor carpi ulnaris D. palmaris longus

B. flexor carpi radialis

Which muscle is a superficial anterior flexor muscle? A. flexor pollicis longus B. flexor digitorum superficialis C. flexor digiti minimi brevis D. flexor digitorum profundus

B. flexor digitorum superficialis

The soleus muscle shares an insertion with the __________. A. fibularis longus muscle B. gastrocnemius muscle C. flexor hallucis longus D. flexor digitorum longus

B. gastrocnemius muscle

The infraspinatus inserts on the ____________ of the humerus. A. acromial process of the scapula B. greater tubercle of the humerus C. lesser tubercle of the humerus D. coranoid process of the scapula

B. greater tubercle of the humerus

The insertion of the teres minor is on the __________. A. intertubercular groove of the humerus B. greater tubercle of the humerus C. lesser tubercle of the humerus D. lateral border of the scapula

B. greater tubercle of the humerus

Carpal tunnel syndrome is characterized by __________. A. inflammation of the flexor digitorum profundus B. inflammation of the flexor retinaculum and/or tendon sheaths C. inflammation of the extensor carpi radialis D. inflammation of the extensor retinaculum

B. inflammation of the flexor retinaculum and/or tendon sheaths

The flexor hallucis longus muscle originates on the __________. A. medial cuneiform B. interosseous membrane C. femur D. distal phalanges of digits 2-5

B. interosseous membrane

The origins of the lateral head of the gastrocnemius muscle are the __________. A. patellar surface and anterior surface of the femur B. lateral condyle and posterior surface of the femur C. patellar surface and posterior surface of the femur D. medial condyle and posterior surface of the femur

B. lateral condyle and posterior surface of the femur

The four muscles that comprise the posterior group of the pectoral girdle are the __________. A. rhomboideus minor, teres minor, trapezius, and levator scapulae B. levator scapulae, rhomboideus minor, rhomboideus major, and trapezius C. pectoralis minor, rhomboideus major, levator scapulae, and trapezius D. levator scapulae, rhomboideus minor, rhomboideus major, and pectoralis major

B. levator scapulae, rhomboideus minor, rhomboideus major, and trapezius

The origin that the vastus medialis muscle shares with the vastus lateralis is the __________. A. lesser trochanter B. linea aspera of the femor C. greater trochanter D. patellar tendon

B. linea aspera of the femor

To keep the humeral head centered within the glenoidal cavity the rotator cuff muscles must be __________. A. located anteriorly B. located in the same plane C. located posteriorly D. located distally

B. located in the same plane

An insertion of the fibularis longus is the __________. A. base of metatarsal two B. medial cuneiform C. distal phalanx of digit one D. base of metatarsal five

B. medial cuneiform

The primary function of the pectoral girdle is to __________. A. act as an attachment point for the rotator cuff muscles B. provide the only connection between the humerus and the scapula C. act as an attachment site for muscles that move the arm D. provide the only connection between the arm and the axial skeleton

B. provide the only connection between the humerus and the scapula

The interosseous membrane is located between the __________. A. humerus and radius B. radius and ulna C. ulna and the carpal bones of the wrist D. humerus and ulna

B. radius and ulna

The infraspinatus muscle is included in the __________ muscles. A. medial rotator B. rotator cuff C. lateral rotator D. respiratory muscles of the shoulder

B. rotator cuff

The piriformis originates on the __________ and inserts on the __________. A. sacrum; lesser trochanter of the femur B. sacrum; greater trochanter of the femur C. ischium; greater trochanter of the femur D. ischium; lesser trochanter of the femur

B. sacrum; greater trochanter of the femur

Which muscle is not part of the rotator cuff? A. infraspinatus muscle B. teres major muscle C. supraspinatus muscle D. teres minor muscle

B. teres major muscle

Which deep posterior extensor of the wrist originates on the radius and ulna and interosseous membrane? A. the extensor indicis B. the abductor pollicis longus C. the extensor pollicis longus D. the extensor pollicis brevis

B. the abductor pollicis longus

The flexor digitorum longus muscle is innervated by the __________. A. fibular nerve B. tibial nerve C. medial nerve D. lateral nerve

B. tibial nerve

The actions of the extensor carpi radialis brevis are localized to the __________. A. ulna B. wrist C. radius D. elbow

B. wrist

The rhomboideus minor muscle originates on which process on the vertebrae? A. Transverse process B. Posterior process C. Spinous process D. Pedicle

C. Spinous process

Movement of the shoulder laterally away from the body is called __________. A. flexion B. extension C. abduction D. adduction

C. abduction

The location of the rotator cuff muscles in relation to the glenohumoral joint minimizes the upward pressure against the __________. A. clavicle B. humerus C. acromion of the scapula C. coracoid process of the scapula

C. acromion of the scapula

The medial muscles of the hip joint that insert on the linea aspera are the __________. A. adductor magnus, adductor brevis, and pectineus B. gracilis, adductor magnus, pectineus, and adductor longus C. adductor magnus, adductor brevis, and adductor longus D. pectineus, adductor magnus, and adductor longus

C. adductor magnus, adductor brevis, and adductor longus

The pectineus muscle __________ the thigh and is innervated by the __________ nerve. A. adducts and flexes; fibular B. abducts and extends; femoral C. adducts and flexes; femoral D. abducts and extends; fibular

C. adducts and flexes; femoral

The origin of the rectus femoris is the ____________. A. greater trochanter B. anterior femur C. anterior inferior iliac spine D. linea aspera

C. anterior inferior iliac spine

The origin of the Sartorius muscle is from the __________ spine. A. posterior superior iliac B. posterior inferior iliac C. anterior superior iliac D. anterior inferior iliac

C. anterior superior iliac

The deltoid muscle fibers are separated into __________. A. lateral, medial, and proximal B. superior, middle, and inferior C. anterior, middle, and posterior D. superficial and deep

C. anterior, middle, and posterior

At the completion of supinator action, the palm is turned __________. A. posteriorly B. laterally C. anteriorly D. medially

C. anteriorly

Forearm supination is assisted by the __________. A. triceps brachii B. supinator C. biceps brachii D. brachioradialis

C. biceps brachii

The muscle that generates the most power during elbow flexion is the __________. A. triceps brachii B. biceps brachii C. brachialis D. brachioradialis

C. brachialis

The gluteus maximus is the most powerful muscle during __________. A. medial rotation B. flexion C. extension D. lateral rotation

C. extension

The prime mover of wrist extension is the __________. A. extensor carpi radialis brevis B. extensor carpi ulnaris C. extensor digitorum D. extensor carpi radialis longus

C. extensor digitorum

The two muscles that insert on the fifth phalanx or on the fifth metatarsal are the __________. A. fibularis longus and extensor hallucis longus B. extensor digitorum longus and fibularis longus C. extensor digitorum longus and fibularis tertius D. fibularis tertius and extensor hallucis longus

C. extensor digitorum longus and fibularis tertius

The origin of the external obliques includes ribs __________. A. eight through twelve B. seven through twelve C. five through twelve D. six through twelve

C. five through twelve

The gluteus medius muscle is innervated by the __________. A. superior coxial nerve B. inferior gluteal nerve C. superior gluteal nerve D. inferior coxial nerve

C. superior gluteal nerve

Downward dislocation of the humerus from the glenohumeral joint when carrying weight is prevented by the __________. A. infraspinatus muscle B. subscapularis muscle C. supraspinatus muscle D. teres minor muscle

C. supraspinatus muscle

The posterior scapular muscle that crosses the glenohumeral joint is the __________. A. pectoralis major B. latissimus dorsi C. teres major D. teres minor

C. teres major

The semitendinosus muscle is innervated by the __________ nerve. A. coxal B. femoral C. tibial D. patellar

C. tibial

The gastrocnemius muscle is innervated by the __________. A. plantar nerve B. fibular nerve C. tibial nerve D. ulnar nerve

C. tibial nerve

The prime mover of elbow extension is the __________. A. biceps brachii B. anconeus C. triceps brachii D. brachialis

C. triceps brachii

The temporalis muscle is innervated by the mandibular branch of the __________. A. trochlear nerve B. optic nerve C. trigeminal nerve D. abducens nerve

C. trigeminal nerve

Without lateral rotation of the humerus by the teres minor and infraspinatus muscles, the maximum angle of abduction by the deltoid would be __________. A.180 degrees B. 30 degrees C. 75 degrees D. 90 degrees

D. 90 degrees

Which term is a synonym for "prime mover"? A. Fixator B. Antagonist C. Synergist D. Agonist

D. Agonist

Which term describes the site of a muscle attaching to the bone that moves the most? A. Origin B. Synergist C. Fixator D. Insertion

D. Insertion

Which of the following statements about muscles of the elbow joint is true? A. The biceps brachii has two heads that share the same origin site. B. The biceps brachii is a posterior extensor. C. The brachioradialis originates and inserts on the ulna. D. None of these statements is correct.

D. None of these statements is correct.

Which of the following statements about muscles of the forearm is true? A. The pronator quadratus originates on the radius and inserts on the ulna. B. The pronator quadratus is a two-headed muscle. C. Contraction of the pronator quadratus and the supinator results in forearm pronation. D. The pronator teres originates on the medial epicondyle and inserts on the radius.

D. The pronator teres originates on the medial epicondyle and inserts on the radius.

The teres major adducts the arm but does not __________ the arm. A. extend B. medially rotates C. medially rotate or extend D. abduct

D. abduct

The middle fibers of the deltoid muscle __________. A.medially rotate the arm B. laterally rotate the arm C. adduct the arm D. abduct the arm

D. abduct the arm

The tensor fascia latae is involved in hip __________. A. extension B. lateral rotation C. adduction D. abduction

D. abduction

The flexor carpi ulnaris __________. A. supinates the forearm B. abducts the wrist C. extends the forearm D. adducts the wrist

D. adducts the wrist

Which of the following muscles is not part of the shoulder? A. subscapularis B. supraspinatus C. infraspinatus D. brachialis

D. brachialis

The soleus and the gastrocnemius share an insertion on the __________. A. fibula B. medial cuneiform C. distal phalanx D. calcaneus

D. calcaneus

The brachialis muscle is located __________ to the biceps brachii muscle. A. laterally B. superficially C. superiorly D. deep

D. deep

The forearm muscles can be divided into anterior flexors and posterior extensors, as well as __________. A. femoral and abdominal layers B. cephalic and caudal layers C. proximal and distal layers D. deep and superficial layers

D. deep and superficial layers

The __________ is a prime mover of the glenohumeral joint during flexion. A. teres major B. biceps brachii C. coracobrachialis D. deltoid

D. deltoid

Muscles of the shoulder can be divided into groups based on __________. A. size B. location (anterior and posterior) C. location (superior and inferior) D. distribution and functional relationships

D. distribution and functional relationships

The action of the extensor digitorum longus muscle is to __________. A. plantar flex the foot B. flex the digits C. invert the foot D. extend digits

D. extend digits

The semimembranosus __________ the thigh at the hip and __________ the leg at the knee. A. abducts; flexes B. adducts; extends C. flexes; extends D. extends; flexes

D. extends; flexes

The brachioradialis is a strong forearm __________. A. pronator B. extensor C. supinator D. flexor

D. flexor

The actions of the internal intercostals are most important during __________. A. forced inspiration B. normal inspiration C. normal expiration D. forced expiration

D. forced expiration

Wrist abduction occurs through the actions of __________ muscles. A. two B. five C. three D. four

D. four

The insertion of the extensor digitorum branches into __________. A. five tendons B. three tendons C. two tendons D. four tendons

D. four tendons

The rotator cuff is a term used to describe the group of muscles and tendons that stabilize and reinforce the __________. A. scapula B. elbow joint C. pectoral girdle D. glenohumeral joint

D. glenohumeral joint

The prime mover of hip extension is the __________. A. gracilis B. adductor magnus C. pectineus D. gluteus maximus

D. gluteus maximus

What are the three heads of the flexor digitorum superficialis? A. proximal, distal, and middle B. lateral, medial, and proximal C. superficial, inferior, and middle D. humeral, radial, and ulnar

D. humeral, radial, and ulnar

The external intercostals elevate the rib cage during __________. A. both expiration and inspiration B. expiration C. neither inspiration nor expiration D. inspiration

D. inspiration

The rectus femoris muscle extends the leg at the __________. A. ankle B. elbow C. hip D. knee

D. knee

The trapezius muscle may be separated into all of the following groups, except __________. A. superior B. middle C. inferior D. lateral

D. lateral

The actions of the rhomboid major on the scapula do not include __________. A. elevation B. adduction C. medial rotation D. lateral rotation

D. lateral rotation

The fibers of the iliocostalis muscle are divided into which three regions? A. abdominal, axillary, and cervical B. umbilical, thoracic, and cervical C. lumbar, abdominal, and cervical D. lumbar, thoracic, and cervical

D. lumbar, thoracic, and cervical

The masseter muscle originates on the __________. A. medial surface of maxilla, but not the zygomatic arch B. inferior border of the zygomatic arch only C. medial and lateral surfaces of the maxilla and the inferior and superior border of the zygomatic arch D. medial surfaces of the maxilla and the zygomatic arch as well as the inferior border of the zygomatic arch

D. medial surfaces of the maxilla and the zygomatic arch as well as the inferior border of the zygomatic arch

The insertions of the semispinatus capitus are on the __________. A. tendon of the galea aponeuresis B. spinous process of the cervical vertebrae C. zygomatic processes of the temporal bone D. occipital bone

D. occipital bone

The flexor hallucis longus muscle originates from the __________. A. anterior surface of the tibial shaft B. anterior surface of the fibular shaft C. posterior surface of the tibial shaft D. posterior surface of the fibular shaft

D. posterior surface of the fibular shaft

All fibers of the pectoralis major muscle converge on the lateral edge of the__________. A. greater tuberosity B. intertubercular sulcus C. deltoid tuberosity D. radial tuberosity

D. radial tuberosity

To allow movement of the tendons within the carpal tunnel zone, each tendon is encased in a __________. A. osseous membrane B. meniscus C. bursa D. sheath

D. sheath

Muscles that act on the knee joint form most of the mass of the __________. A. knee B. hip C. calf D. thigh

D. thigh

The prime mover of dorsiflexion is the __________. A. extensor digitorum longus B. fibularis tertius C. extensor hallucis longus D. tibialis anterior

D. tibialis anterior