Surface Anatomy Quiz 2

lumbricals

2 bipennate, 2 unipennate

number of bones of the hand

5 metacarpals, 14 phalanges

hypothenar group

abductor digiti minimi, flexor digiti minimi, opponens digiti minimi

thenar group

abductor pollicis, flexor pollicis brevis, opponens pollicis

angle of the acromion

acromion and spine of scapula come together

extensors of the wrist

brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor carpi ulnaris, anconeus

joints of the hand/phalanges

carpometacarpal, metacarpophalangeal, interphalangeal (thumb), proximal interphalangeal, distal interphalangeal

2 parts of pectoralis major

clavicular and sternocostal

anterolateral musculature

deltoid, serratus anterior

tips of fingers

distal

3 wrist joints

distal radioulnar, radiocarpal joint, midcarpal joint

posterior side of hand

dorsal

4 bipennate muscles that abduct the fingers

dorsal interossei

two muscles that extend digit 2

extensor digitorum, extensor indicis

anatomical snuffbox muscles

extensor pollicis longus, extensor pollicis brevis, abductor pollicis longus

inserts on the proximal interphalangeal joint

flexor digitorum superficialis

osteology of the head of the humerus

humeral head, lesser tuberosity, greater tuberosity, surgical neck

cross junction/transverse massage is used for what three structures:

ligaments, tendons, deeper structures

wrist flexor group originates from

medial epicondyle

osteology of elbow and forearm

medial epicondyle, lateral epicondyle, head of radius, styloid process of ulna, styloid process of radius, metacarpals

brachioradialis is _______ __________ muscle

one joint

3 unipennate muscles that adduct the fingers

palmar interossei

anterior side of hand

palmar/volar

insertion of flexor carpi ulnaris

pisiform

distal radioulnar joint

pivot joint

to palpate the musculature of elbow and forearm what pressure grading do you use?

pressure grading of 1

radiocarpal joint

primary wrist joint for extension

midcarpal joint

primary wrist joint for flexion

cubital fossa is formed by what?

pronator teres (medial), brachioradialis (lateral), transverse line between the medial and lateral epicondyle of the humerus (superior)

wrist flexor group (4 muscles)

pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris

wrist end

proximal

Digit 1

proximal and distal phalanx

Digits 2-5

proximal, middle, and distal phalanx

what artery runs over the radial styloid process?

radial artery

2 ligaments on the lateral side of the elbow

radial collateral ligament, annular ligament

posterior musculature

rhomboid major, rhomboid minor, levator scapulae, trapezius (upper, middle, lower), infraspinatus, supraspinatus, teres minor, teres major, latissumus dorsi, triceps brachii, deltoid (posterior, middle, anterior)

bones of the wrist

scaphoid, lunate, triquetrum, pisiform (proximal row) trapezium, trapezoid, capitate, hamate (distal row)

4 joints of the pectoral girdle

sternoclavicular, acromioclavicular, glenohumeral, scapulothoracic

anterior musculature

subscapularis, biceps brachii, pectoralis major, pectoralis minor, coracobrachialis, subclavius

3 angles of the scapula

superior, inferior, lateral

3 borders of the scapula

superior, medial, lateral

scapula osteology

supraspinous fossa, coracoid process, acromion, spine of scapula, infraspinous fossa, glenoid cavity, subscapular fossa

what nerve runs through the medial epicondyle of the humerus and the olecranon?

ulnar nerve

to palpate medial (ulnar) collateral ligament

use tip of thumb or transverse cross-friction massage