Muscle ID (Mastering A&P)

the trapezius muscle may be separated into all of the following groups, except ___________. - lateral - superior - inferior - middle

- lateral

one of the actions of the latissimus dorsi muscle is to _____________. - lateral rotation of the arm. - adduct the arm. - flex the arm. - abduct the arm

adduct the arm

the smallest of the posterior extensors of the elbow joint is the _______________. - biceps brachii - anconeus - brachioradialis - triceps brachii

anconeus

the origin of the rectus femoris is the ____________. - linea aspera - anterior inferior iliac spine - anterior femur - greater trochanter

anterior inferior iliac spine

the deltoid muscle fibers are separated into ______________. - lateral, medial, and proximal - superficial and deep - superior, middle, and inferior - anterior, middle, and posterior

anterior, middle, and posterior

at the completion of supinator action, the palm is turned __________. - medially - anteriorly - laterally - posteriorly

anteriorly

the muscle that generates the most power during elbow flexion is the ___________. - brachialis - brachioradialis - triceps brachii - biceps brachii

brachialis

the pectoralis major muscle can be divided into groups of fibers superior, or __________, and inferior, or __________. - scapular; humeral - sternocostal; clavicular - humeral; scapular - clavicular; sternocostal

clavicular; sternocostal

the actions of the internal obliques include _______________. - compression of the abdomen to assist in forced expiration. - compression of the rib cage to assist in forced inspiration. - compression of the abdomen to assist in forced inspiration. - compression of the rib cage to assist in forced expiration.

compression of the abdomen to assist in forced expiration

the brachialis muscle is located __________ to the biceps brachii muscle. - superficially - deep - superiorly - laterally

deep

The prime mover of arm abduction is the ________ muscle. triceps brachii trapezius deltoid biceps brachii

deltoid

muscles of the shoulder joint can be divided into groups based on __________________. - location (anterior and posterior). - location (superior and inferior). - distribution and functional relationships. - size.

distribution and functional relationships.

the gluteus maximus is the most powerful muscle during __________. - flexion - extension - lateral rotation - medial rotation

extension

the origin of the external obliques includes ribs ____________. - eight through twelve. - seven through twelve. - five through twelve. - six through twelve.

five through twelve

both heads of the biceps femoris muscle _____________. - flex the leg at the knee. - flex the hip. - extend the hip. - extend the leg at the knee

flex the leg at the knee

Movement of the elbow joint movement is limited to __________. - pronation and supination - supination and flexion - flexion and extension - extension and pronation

flexion and extension

the brachioradialis is a strong forearm __________. - extensor - pronator - supinator - flexor

flexor

the actions of the internal intercostals are most important during ___________. - normal inspiration - forced inspiration - normal expiration - forced expiration

forced expiration

the majority of the fibers of the gluteus maximus insert onto the ________________. - superior border of the os coxae. - gluteal tuberosity. - iliotibial tract. - inferior border of the os coxae.

iliotibia tract

the origin of the long head of the triceps brachii is on the ___________. - infraglenoid tubercle of the scapula. - anterior shaft of the humerus. - posterior shaft of the humerus. - olecranon process of the ulna.

infraglenoid tubercle of the scapula

the external intercostals elevate the rib cage during __________. - expiration - expiration and inspiration - neither inspiration nor expiration - inspiration

inspiration

All fibers of the pectoralis major muscle converge on the lateral end of the _____________ - intertubercular sulcus - deltoid tuberosity - radial tuberosity - greater tuberosity

intertubercular sulcus

the tibialis anterior muscle dorsiflexes the foot at the ankle and also assists in ______________ of the foot. - extension - plantar flexion - inversion - eversion

inversion

the hamstring muscles originate on the ___________. - medial surface of the tibia. - lesser trochanter of the femur. - medial surface of the fibula. - ischial tuberosity.

ischial tuberosity

the long head of the biceps femoris muscle originate on the ___________. - posterior superior iliac spine. - iliac crest. - anterior superior iliac spine. - ischial tuberosity

ischial tuberosity

the rectus femoris muscle extends the leg at the _______________. - hip - ankle - elbow - knee

knee

What is the main function of the quadriceps group? foot inversion hand supination knee extension thigh abduction arm flexion

knee extension

the origins of the lateral head of the gastrocnemius muscle are the ____________. - lateral condyle and posterior surface of the femur. - medial condyle and posterior surface of the femur. - patellar surface and posterior surface of the femur. - patellar surface and anterior surface of the femur.

lateral condyle and posterior surface of the femur

Which of the following consists of two large, flat muscles that cover the lower back? latissimus dorsi biceps brachii pectoralis major triceps brachii deltoid

latissimus dorsi

the posterior axial muscle that crosses the glenohumeral joint is the ____________. - trapezius - latissimus dorsi - brachioradialis - pectoralis major

latissimus dorsi

the key actions of the pectoralis major muscles are _______________. - lateral rotation and abduction. - shoulder extension and adduction. - medial rotation and adduction. - elbow flexion and elbow extension.

medial rotation and adduction.

which of the following statements about muscles of the elbow joint is true? - the barchioradialis originates and inserts on the ulna. - the biceps brachii is a posterior extensor. - the biceps brachii has two heads that share the same origin site. - none of these statements is correct.

none of these statements is correct

the latissimus dorsi inserts ___________. - on the intertubercular groove of the humerus. - on the deltoid tuberosity of the humerus. - on the lesser tubercle of the humerus. - on the greater tubercle of the humerus.

on the intertubercular groove of the humerus.

Which of these muscles is located on the ventral (anterior) side of the body? gluteus medius occipitalis pectoralis major gastrocnemius latissimus dorsi

p

the biceps femoris is located in the ___________. - posterior arm - anterior arm - posterior thigh - anterior thigh

posterior thigh

the muscles that extend the forearm are located ___________. - medially - posteriorly - anteriorly - laterally

posteriorly

The ball and socket join in the hip is similar to the ball and socket joint of the shoulder, but is designed more for _______________ than _______________. - power; precision. - precision; power. - precision; speed. - speed; precision.

power; precision

Movement of the forearm includes __________. - flexion and extension - supination and flexion - extension and pronation - pronation and supination

pronation and supination

the origins of the rectus abdominus muscle are on the _______________. - ileum bone. - pubic bone. - sacral bone. - ischial bone.

pubic bone

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

radial nerve

the two heads of the biceps brachii combine to insert on the __________. - olecranon process. - radial notch. - radial tuberosity. - ulnar notch

radial tuberosity

the two heads of the biceps brachii muscle come together distally to insert on the _________________. - ulnar tuberosity. - styloid process of the radius. - radial tuberosity. - deltoid tuberosity.

radial tuberosity

Which of the following muscles acts as a synergist to masseter and closes the jaw?zygomaticus sternocleidomastoid temporalis frontalis buccinator

temporalis

which of the following groups of muscles are not muscles of the shoulder? - the anterior flexor muscles - muscles that act on the pectoral girdle. - muscles that stabilize and cross the glenohumeral joint. - the rotator cuff muscles

the anterior flexor muscles

the two heads of the gastrocnemius muscle converge to insert onto _____________. - the calcaneus - the middle phalanx of digit one. - digits two through five. - the posterior surface of the tibia

the calcaneus

which joint is considered the most flexible joint in the body? - the hip joint - the elbow joint - the wrist joint - the shoulder joint

the shoulder joint

muscles that act on the knee joint form most of the mass of the __________. - knee - hip - calf - thigh

thigh

Jason injured his hamstring muscle group during football practice. He will be unable to perform ________. dorsiflexion thigh extension and knee flexion leg rotation and plantar flexion thigh abduction and adduction

thigh extension and knee flexion

the tibialis posterior muscle originates at which three locations? - tibia, femur, and interosseous membrane - tibia, patellar surface, and interosseous membrane - tibia, fibula, and interosseous membrane - fibula, patellar surface, and interosseous membrane

tibia, fibula, and interosseous membrane

the gastrocnemius muscle is innervated by the ____________. - fibular nerve. - plantar nerve. - ulnar nerve. - tibial nerve.

tibial nerve

the origins of the levator scapula are from the ____________ of four cervical vertebrae. - fascia - transverse processes - spinous processes - bodies

transverse processes

Which of these muscles is the prime mover of elbow extension? brachialis deltoid latissimus dorsi triceps brachii biceps brachii

triceps brachii

the prime mover of elbow extension is the ____________. - brachialis - biceps brachii - anconeus - triceps brachii

triceps brachii

true or false? the anterior axial muscle that crosses the glenohumeral joint is the pectoralis major muscle

true

Which facial muscle is considered the "smiling" muscle since it raises the corners of the mouth? orbicularis oculi zygomaticus orbicularis oris frontalis

zygomaticus

the middle fibers of the deltoid muscle ____________. - adduct the arm - abduct the arm - laterally rotate the arm - medially rotate the arm

abduct the arm

all fibers of the trapezius muscle are innervated by the _________________. - axillary nerve - spinal accessory nerve - scapular nerve - coxal nerve

spinal accessory nerve

Which of these muscles is located in the neck? buccinator occipitalis deltoid sternocleidomastoid

sternocleidomastoid