Exam 4 - Upper Limb

Joints of the Upper Limb

100

• The Pectoral Girdle is less mobile but more stable compared to the Pelvic Girdle. True or False?

False

200

The Acromioclavicular (AC) joint is a synovial joint classified as:

a) saddle joint

b) hinge joint

c) plane joint

d) pivot joint

c) plane joint

300

The only place where the upper limb skeleton articulates with the axial skeleton.

What is the sternoclavicular joint?

400

What is the ratio of movement at the shoulder girdle? GH:scapulothoracic

a) 3:1

b) 1:1

c) 1:2

d) 2:1

d) 2^o of GH movement and 1^o scapulothoracic movement for every 3^o the arm is elevated

500

The ulnar collateral ligament has 3 parts. 

a) medial band, lateral band and deep band

b) superficial cord-like band, posterior cord-like band and inferior cord-like band

c) anterior cord-lie band, posterior fan-like band and a skinny oblique band

d) thick medial cord-like band, serrated lateral band and a skinny oblique band

c) anterior cord-lie band, posterior fan-like band and a skinny oblique band

Areas of Transition

100

The spinal cord levels that contribute to the brachial plexus.

What is C5 - T1?

200

The portion of each spinal nerve that constitutes the brachial plexus.

What is the ventral ramus?

300

Which structure is not part of the anterior wall of the axilla?

a) pectoralis major

b) pectoralis minor

c) serratus anterior

d) fascia

c) serratus anterior

400

What are the 5 bunches of axillary lymph nodes?

a) apical, brachial, subscapular, inguinal and humeral

b) apical, pectoral, subscapular, humeral and central

c) apical, pectoral, subscapular, mammary and central

d) pectoral, humeral, cysternal, central and cervical

b) apical, pectoral, subscapular, humeral and central

500

What makes up the medial wall of the axilla?

a) 1^st - 4^th ribs, intercostal muscles, serratus anterior

b) pectoralis major, pectoralis minor, fascia

c) scapula, subscapularis and latissimus dorsi

d) clavicle, coracoid process, intertubercular groove

a) 1^st - 4^th ribs, intercostal muscles, serratus anterior

Movements of the Upper Limb

100

The motions possible at the elbow joint.

What are flexion and extension?

200

All of these joints must move to create full 180^o abduction of the arm.

What are the glenohumeral, acromioclavicular, and sternoclavicular joints?

300

Name of the movement to make the tip of the thumb touch the tip of the pinky finger.

What is opposition of the thumb?

400

A muscle that can extend, adduct, and medially rotate the arm.

What is the latissimus dorsi or teres major?

500

At which joint(s) do supination and pronation of the forearm occur?

At the proximal and distal radio-ulnar joints.

Muscles of the Upper Limb

100

The three muscles of the anterior compartment of the arm.

What are the biceps brachii, brachialis, and coracobrachialis?

200

Two muscles that produce supination of the forearm.

What are the supinator and biceps brachii?

300

The four muscles of the rotator cuff, and the function they share in common.

What are the supraspinatus, infraspinatus, teres MINOR, and subscapularis, which all support/stabilize the glenohumeral joint?

400

Which group of muscles attach to through a common tendon to the lateral epicondyle of the humerus?

The superficial forearm extensors.

500

Which muscles border the cubital fossa?

medial border - pronator teres

lateral border - brachioradialis

Bones of the Upper Limb

100

Name of the bones between the carpals and phalanges.

What are the metacarpals?

200

Name the only horizontal long bone in the body.

What is the clavicle?

300

Area where the anterior (flexor) compartment muscles of the forearm attach proximally.

What is the medial epicondyle of the humerus?

400

Area on the humerus that articulates with the ulna.

What is the trochlea?

500

More laterally placed of the two tubercles on the proximal humerus.

What is the greater tubercle?