Chapter 4 Workbook TEST
All of the following are actions of the pectoralis major muscle EXCEPT ____.
Abduction of arm
A-C shoulder joint case study: What is the primary action of this impinging muscle?
Abduction of the humerus
The ____ assists in opposition of the thumb.
Abductor pollicis brevis
A-C shoulder joint case study: What skeletal feature is it impinging on?
Acromion process of the scapula
The pectoralis major, coracobrachialis, latissimus dorsi, and teres major all work together to cause what type of movement of the glenohumeral joint?
Adduction
All of the following originate on the retinaculum EXCEPT the ____.
Adductor pollicis
The flexors of the elbow include all BUT the ____.
Anconeus
The muscle that stabilizes the elbow during rapid flexion and extension such as in hammering is the ____.
Brachioradialis
A patient complains of carpel tunnel syndrome. Explain the condition to the patient. What commonly causes the condition. Which nerve is usually compressed?
Caused by inflammation of the flexor retinaculum, decreasing the size of the carpal tunnel and compressing the median nerve.
The short head of the biceps brachii originates on the ____.
Coracoid process of the scapula
The large muscle inserting in the floor of the intertubercular groove of the humerus is ____.
Deltoid
Which of the following muscles helps to flex the glenohumeral joint?
Deltoid
All of the following abduct the hand at the wrist EXCEPT the ____.
Extensor carpi ulnaris
The anatomical snuff box is formed from the extensor pollicis brevis and the ____.
Extensor pollicis longus
The muscle that flexes and abducts the hand at the wrist is the ____.
Flexor carpi radialis
The muscle that flexes the middle phalanx of digits 2 through 5 is the ____.
Flexor digitorum superficialis
All of the following muscles flex the wrist EXCEPT the ____.
Flexor pollicis longus
All of the following muscles are adductors of the humerus EXCEPT the ____.
Infraspinatus
Which of the following muscles does NOT extend the shoulder joint?
Infraspinatus
The deepest muscle of the hand are the ____.
Interossei
A-C shoulder joint case study: What bony features make up the A-C joint?
Lateral end of the clavicle and acromion process of the scapula
The muscle important in bringing the arm down in a power stroke such as in hammering or rowing is the ____.
Latissimus dorsi
The ____ elevates the scapula.
Levator scapulae
The muscle that works with the upper trapezius when shrugging the shoulder is the ____.
Levator scapulae
The supraglenoid tubercle of the scapula is the origin of the ____ of the biceps brachii.
Long head
The muscle that wrinkles the skin of the palm is the ____.
Palmaris brevis
A condition in which a person is missing the pectoralis major muscle on one side and also has some skeletal abnormalities is known as ____.
Poland's Syndrome
The ____ portion of the deltoid extends and laterally rotates the arm.
Posterior
The ____ is located deep between the distal ends of the radius and ulna.
Pronator quadratus
A patient complains of golfer's elbow. What causes this condition? Which specific tendon is strained?
Results from repetitive use of the superficial muscles of the forearm, straining the common flexor tendon. The flexor carpi radialis is the most commonly affected muscle.
All of the following are rotator cuff muscles EXCEPT the ____.
Rhomboideus minor
The ____ abducts the scapula.
Serratus anterior
The muscle that is important in pushing forward and punching is the ____.
Serratus anterior
The ____ muscle depresses the clavicle and draws the shoulder forward and downward.
Subclavius
The rotator cuff muscle often implicated in frozen should syndrome is the ____.
Supraspinatus
The rotator cuff muscles do NOT include the ____.
Teres major
The ____ rotates the arm laterally.
Teres minor
The sternalis muscles are found in only 1 of 20 people. In those in whom does it occur, it sometimes causes a misdiagnosis of a myocardial infarction. Why?
The referred pain pattern for the sternalis muscles is similar to the pain of the myocardial infarction or angina pectoralis and therefore may lead to a false diagnosis.
The flexor digiti minimi is innervated by the ____ nerve.
Ulnar
The muscles that cause upward rotation of the scapula are the ____.
Upper trapezius and serratus anterior
The muscle that abducts the thumb is the ____.
abductor pollicis
The only flexor of the elbow that inserts on the styloid process of the radius is the ____.
brachioradialis
Hand pain case study: What is one probable diagnosis?
carpal tunnel syndrome
The shoulder muscle that is one of the prime injection sites it the ____.
deltoid
Which of the following muscles is innervated by the axillary nerve?
deltoid
The muscle that extends he little finger is the ____.
extensor digiti minimi
When rolling a bowling ball forward, the primary movement at the shoulder joint is ____.
flexion
Damage to the musculocutaneous nerve would limit ____ of the arm at the elbow.
flexion of elbow
Hand pain case study: Which thumb motions would be compromised?
flexion, abduction, opposition
The primary flexor of the distal phalanges of the fingers is the ____.
flexor digitorum profundus
The muscle that flexes the hand at the wrist and the middle of digits of fingers 2 through 5 is the ____.
flexor digitorum superficialis
Hand pain case study: Which flexor muscles pass under the flexor retinaculum?
flexor digitorum superficialis and profundus, flexor carpi radialis, flexor pollicis longus
The muscle that flexes the thumb is the ____.
flexor pollicis longus
The large muscle that arises from the lumbodorsal fasicia and extends, adducts, and medially rotates the arm is the ____.
latissimus dorsi
The muscle that has been used as a cardiac assist muscle is the ____ muscle.
latissimus dorsi
List the several muscles that work together to raise the scapula.
levator scapularis, upper trapezium, rhomboideus major and minor
The group of four muscles that assist the extensor digitorum in extending the fingers are the ____.
lumbricales
Hand pain case study: Which nerves are being compressed?
median and ulnar nerves
The muscle that rotates the thumb into the opposition position is the ____.
opponens pollicis
Hand pain case study: Which other two thumb muscles would be affected?
opponens pollicis, abductor pollicis, flexor pollicis brevis
The muscle that tenses the palmar fascia and flexes the hand at the wrist is the ____.
palmaris longus
The ____ muscle arises from the third through fifth rib and inserts on the coracoid process of the scapula.
pectoralis minor
What are the three primary actions of the muscles that originate from the medial supracondyle ridge and medial epicondyle of the humerus?
pronation of the lower arm, flexion of the wrist, flexion of the digitis
Which of the following muscles does NOT flex the wrist?
pronator quadratus
Which of the following muscles helps stabilize the scapula preparatory to movement?
rhomboideus major and trapezius
The muscle that originates on the spines of the vertebrae and inserts on the medial border of the scapula and that adducts, retracts, elevates, and rotates the scapula is the ____.
rhomboideus major.
The small muscle that depresses the clavicle and draws the should forward and downward is the ____.
subclavius
A-C shoulder joint case study: What other muscles must have also been strained, causing difficulty in fastening the blouse?
subscapularis, teres major, coracobrachialis
Movement to palms forward as in the anatomical position involves contraction of the ____ muscle.
supinator
The radial nerve often passes through the superficial and deep layers of what muscle?
supinator
The ____ and ____ muscles are located on the dorsal surface of the scapula.
supraspinatus and infraspinatus
A-C shoulder joint case study: What muscle is being impinged?
supraspinatus muscle
The abductor pollicis brevis, opponens pollicis, and adductor pollicis all make up the ____.
thenar eminence
The ____ muscle is the most important extensor of the forearm.
triceps brachii
Which of the following muscles inserts on the olecranon process of the ulna?
triceps brachii
