EXAM 2 ANSWERS

what action can you ask your partner to perform at the shoulder in order to contract the entire deltoid? a. medial rotation b. horizontal adduction c. abduction d. flexion

abduction

which of the following is an action of the pectoralis minor? a. elevate the scapula b. adduct the scapula c. abduct the scapula d. assist in forced elexhalation

adduct the scapula

in which movement of the scapula do the rhomboids and trapezius always act as synergists? a. downward rotation b. adduction c. upward rotation d. depresson

adduction

which movement would shorten the fibers of pectoralis minor? a. elevation of the scapula b. lateral rotation of the shoulder c. abduction of the scapula d. adduction of the shoulder

adduction of the shoulder

what is the thin sheet of fascia extending off the distal tendon of the biceps brachii? a. bicipital retinaculum b. bicipital periosteum c. bicipital aponeurosis d. bicipital perymysium

bicipital aponeurosis

the upper, middle and lower trapezius are innervated by which nerves? a. c3,4 & spinal accessori nerve b. c4,5 & vagus nerve c. c3,4 & cranial nerve IX d. c4,5 & cranial nerve XII

c3, c4 & spinal accessory nerve

which structure forms the ligamentous arch that protects the rotator cuff tendons and subacromial bursa from direct trauma? a. coracoclavicular ligament b. coracoacromial ligament c. acromioclavicular ligament d. corahumeral ligament `

coracoacromial ligament

the pectoralis minor attaches to which bony landmark? a. coracoid process b. greater tubercle c. lesser tubercle d. infraglenoid tubercle

coracoid process

which is the origin of the coracobrachialis? a. acromion of the scapula b. anterior surface of 1st - 3rd ribs c. lateral portion of clavicle d. coracoid process of scapula

coracoid process of scapula

which is the insertion of the pectoralis major? a. crest of greater tubercle of humerus b. lesser tubercle of humerus c. shaft of the humerus d. intertubercular groove of humerus

crest of greater tubercle of humerus

which is the insertion of the teres major? a. greater tubercle of the humerus b. head of the humerus c. crest of the lesser tubercle of the humerus d. supraglenoid tubercle of the humerus

crest of the lesser tubercle of the humerus

if you follow the fibers of pectoralis major laterally, they blend with the fibers of which muscle? a. deltoid b. subscauplaris c. latissimus dorsi d. pectoralis minor

deltoid

which of the following muscles is completely superficial? a. supraspinatus b. rhomboids c. deltoid d. infraspinatous

deltoid

which of the following is an action of the teres major? a. extend the shoulder b. depress the scapula c. flex the shoulder d. laterally rotate the shoulder

extend the shoulder

which shoulder movement would lengthen the anterior fibers of the deltoid? a. extension b. flexion c. medial rotation d. horizontal adduction

extension

which is the origin of the pectoralis minor? a. acromion of scapula b. first, second, and third ribs c. costal cartilage of upper five ribs d. third, fourth and fifth ribs

first, second, and third ribs

which of the following is an action of the biceps brachii? a. flex the elbow b. pronate the forearm c. depress the scapula d. abduct the shoulder

flex the elbow

which joint is formed where the humerus and scapula meet? a. acromioclavicular b. scapulothoracic c. glenohumeral d. sternoclavicular

glenohumeral

which of the following is an action of the pectoralis major's upper fibers? a. horizontally abduct the shoulder b. horizontally adduct the shoulder c. extend the shoulder d. laterally rotate the shouler

horizontally adduct the shoulder

the three bones that make up the shoulder complex are the clavicle, scapula and ___________? a. sternum b. rib c. humerus d. vertebra

humerus

which rotator cuff muscle is not involved in rotation of the shoulder? a. supraspinatus b. infraspinatus c. teres minor d. subscapularis

infraspinatus

which statement about the deltoid is not correct? a. it can act as an antagonist to itself b. its posterior fibers laterally rotate the shoulder c. its anterior fibers horizontally abduct the shoulder d. its posterior fibers extend the shoulder

its anterior fibers horizontally abduct the shoulder

which is the origin of the rhomboid minor? a. lateral border of scapula b. spinous processes of t2-t5 c. transverse processes of cervical vertebrae d. spinous processes of c7 and t1

lateral border of scapula

which of the following is NOT an action created by contracting the latissimus doors? a. shoulder adduction b. shoulder extension c. medial rotation of the shoulder d. lateral rotation of the shoulder

lateral rotation of the shoulder

which of the following is an action of the teres minor? a. laterally rotate the shoulder b. flex the shoulder c. supinate the shoulder d. horizontally adduct the shoulder

laterally rotate the shoulder

which head of the biceps brachia passes through the intertubercular groove? a. short head b. long head c. middle head d. both a and b

long head

what is the name and spinal segmental origin of the nerve that supplies the serratus anterior? a. iliohypogratic nerve t10, 11, 12 b. long thoracic nerve c5-7 c. thoracodorsal nerve c6-8 d. radial nerve c6-8

long thoracic nerve (c5-c7)

which is the insertion of the rhomboid major? a. lateral border of scapula between inferior angle and infraglenoid tubercle b. medial border of scapula between superior angle and inferior angle c. medial border of scapula between spine of scapula and inferior angle d. spinous processes of c7-t5

medial border of scapula between spine of scapula and inferior angle

which of the following is a part of the origin of the pectoralis major? a. cartilage of ribs 7-12 b. medial half of clavicle and sternum c. sternum, diploid process and linea alba d. lateral half of clavicle and coracoid process

medial half of clavicle and sternum

which is the insertion of the coracobrachialis?` a. deltoid tuberosity b. medial surface of mid-humeral shaft c. lateral surface of mid-humeral shaft d. lateral epicondyle of humerus

medial surface of mid-humeral shaft.

which of the following is an action of the latissimus dorsi? a. flex the shoulder b. elevate the scapula c. abduct the scapula d. medial rotate the shoulder

medially rotate the shoulder

the pectoralis minor is located deep to which muscle? a. serratus anterior b. pectoralis major c. deltoid d. trapezius

pectoralis major

which muscle is divided into three segments: clavicular, sternal, and costal? a. trapezius b. pectoralis minor c. pectoralis major d. serratus anterior

pectoralis major

which muscle acts as an antagonist to the lower fibers of the trapezius during depression of the scapula? a. pectoralis minor b. infraspinatus c. rhomboid major d. serratus anterior

rhomboid major

the serrates anterior. protracts the scapula, making it a direct antagonist to which muscle? a. subscapularis b. infraspinatus c. rhomboids d. levator scapula

rhomboids

which movement of the head and neck would shorten the upper fibers of the trapezius on the right side of the body? a. flexion b. lateral flexion to the left c. rotation to the left d. rotation to the right

rotation to the left

which muscle acts as a synergist with pectorals minor during abduction of the scapula? a. rhomboid major b. rhomboid minor c. trapezius d. serratus anterior

serrates anterior

which is the origin of the rhomboid major? a. lateral border of scapula b. spinous processes of c7-t1 c. transverse processes of cervical vertebrae d. spinous processes of t2-t5

spinous processes of t2 - t5

which joint is the single attachment between the axial and appendicular skeletons? a. scapulothoracic b. glenohumeral c. sternocostal d. sternoclavicular

sternoclavicular

which is the origin of the subscapularis a. subscapular fossa of scapula b. greater tubercle of humerus c. supraspinous fossa of scapula d. medial border of scapula

subscapular fossa of scapula

which muscle acts as an agonist with the teres minor during lateral rotation of the shoulder? a. teres major b. infraspinatus c. latissimus dorsi d. subscapularis

subscapularis

which muscle's dense quality is due to its multipennate fibers and thick, superficial fascia? a. supraspinatus b. infraspinatus c. teres minor d. subscapularis

subscapularis

which of the rotator cuff muscles attach to the lesser tubercle? a. supraspinatus b. infraspinatus c. teres minor d. subscapularis

subscapularis

which rotator cuff muscle creates shoulder abduction? a. supraspinatus b. infraspinatus c. teres minor d. subscapularis

supraspinatus

which is the origin of the supraspinatus? a. supraspinous fossa of scapula b. lesser tubercle of humerus c. supraspinous crest of scapula d. greater tubercle of humerus

supraspinous fossa of scapula

both sternoclavicular and acromioclavicular are what type of joints? a. synovial b. carilaginous c. fibrous d. hinge

synovial

sliding lateral off the lateral border of the scapula, you can feel the tube-shaped belly of which muscle? a. teres minor b. infraspinatus c. rhomboid major d. subscapularis

teres minor

which is the origin of the elevator scapula a. transverse processes of 1st - 4th cervical vertebrae b. spinous processes of 1st - 4th cervical vertebrae c. transverse processes of 3rd - 7th cervical vertebrae d. medial border of the scapula

transverse processes of 1st -4th cervical vertebrae

the rhomboids are superficial to the erector spinae and deep to which muscle? a. trapezius b. serratus anterior c. latissimus dorsi d. levator scapula

trapezius

what is the name of the nerve and it's segmental spinal origin that supplies the subscapularis? a. axillary nerve (c5,c6) b. dorsal scapular nerve (c5) c. supra scapular nerve (c5, c6) d. upper and lower subscapular nerves (c5, c6)

upper and lower subscapular nerves (c5, c6)