KAAP309 Lab Practical 3

Clavical

sternal end

clavicle acromial end

Conoid tubercle

medial border

lateral border

scapula inferior angle

superior angle

Scapular Spine

coracoid process

acromion

Supraspinous fossa

Infraspinous fossa

subscapular fossa

glenoid fossa/cavity

humerus head

humerus anatomical neck

humerus surgical neck

humerus greater tubercle

Lesser tubercle

humerus Intertubercular sulcus

humerus deltoid tubercle

humerus Radial groove

humerus Medial epicondyle

humerus Lateral epicondyle

humerus Capitulum

trochlea

Coronoid fossa

olecranon fossa

ulna Olecranon process

ulna Coronoid process

ulna Trochlear notch

ulna Radial notch

Ulnar tuberosity

ulna styloid process

ulna head

radius Dorsal tubercle

radius head

radial tuberosity

radius Styloid process

Scaphoid

Lunate

Triquetrum

Pisiform

Trapezium

Trapezoid

Capitate

Hamate

Metacarpals (1-5)

Proximal phalanges

Middle phalanges (2-5)

Distal phalanges (1-5)

deltoid

O: clavicle

I: deltoid tuberosity

a: shoulder flexion, medial rotation, pulling humerus anteriorly in sagittal plane

INN: axillary nerve

deltoid

O: spine of scapula

I: deltoid tuberosity

A: shoulder extension, lateral rotation, pulls humerus posteriorly in sagittal plane

INN: axillary nerve

supraspinatus muscle

O: supraspinous fossa of scapula

I: greater tubercle of humerus

A: shoulder stabilization and abduction

INN: Suprascapular nerve

rotator cuff

infraspinatus muscle

O: infraspinous fossa of scapula

I: greater tubercle of humerus

A: shoulder stabilization and lateral rotation

INN: suprascapular nerve

rotator cuff muscle

teres minor

O: posterolateral scapula

I: greater tubercle of humerus

A: shoulder stabilization and lateral rotation

INN: axillary nerve

rotator cuff muscle

teres major muscle

O: inferior angle of scapula

I: intertubercular groove/sulcus of humerus

A: shoulder extension and medical rotation

INN: subscapular nerve

Subscapularis muscle

O: subscapular fossa

I: lesser tubercle of humerus

A: shoulder stabilization and medial rotation

INN: subscapular nerve.

rotator cuff muscle

latissimus dorsi muscle

O: T 7-L 5, lower ribs, iliac crest, thoracolumbar fascia

I: sulcus/groove of humerus

A: shoulder extension, shoulder adduction, and medical rotation

INN: thoracodorsal nerve

pectoralis major muscle

O: clavicle, sternum, ribs 1-7

I: intertubercular sulcus of humerus

A: shoulder flexion, adduction, medial rotation and extension from a flexed pos.

INN: pectoralis nerves (medial and lateral)

Coracobrachialis muscle

O: coracoid process

I: mid medial humerus

A: shoulder flexion, medial rotation

INN: musculocutaneous nerve

biceps brachii muscle

O: long head - superior margin of glenoid cavity | short head - coracoid process

I: radial tuberosity

A: supination of forearm, elbow flexion, weak shoulder flexor, stabilization of shoulder

INN: musculocutaneous nerve

short head biceps

long head biceps

Brachilais

O: anterior distal humerus

I: coronoid process of ulna

A: elbow flexion

INN: musculocutaneous and radial nerves

triceps brachii

O: inferior margin of glenoid, posterior humerus, posterior proximal humerus

I: olecranon process

A: elbow extension (long head extend and adducts humerus)

INN: radial nerve

triceps long, lateral and medial head

anconeus muscle

pronator teres

O: medial epicondyle of humerus and coronoid process of ulna

I: lateral surface of radial shaft

A: pronation and very weak elbow flexion

INN: median nerve

flexor capri radialis

O: medial epicondyle of humerus

I: base of metacarpals 2-3

A: wrist flexion and radial deviation

INN: median nerve

palmaris longus muscle

O: medial epicondyle of humerus

I: palmar aponeurosis and flexor retinaculum

A: contributes to wrist flexion and anchors skin and fascia to palmar region, helps resist shearing forces when overlying skin is stressed

INN: median nerve

Flexor capri ulnaris muscle

O: medial epicondyle of humerus

I: 5th metacarpal hamate and pisiform

A: wrist flexion and ulnar deviation

INN: ulnar nerve

flexor digitorum superficialis muscle

O: medial epicondyle of humerus, UCL, coronoid process

I: middle phalanges 2-5

A: wrist flexion, digit flexion at MCP, and IP

INN: median nerve

flexor digitorum profundus

O: medial epicondyle of humerus, UCL, coronoid process

I: middle phalanges 2-5

A: wrist flexion, digit flexion and MCP and IP and DIP flexion

INN: median and ulnar nerves

flexor pollicis longus

O: radius and interosseous membrane

I: distal phalanx of digit 1

A: flexes thumbs and MCP and IP joint

INN:

pronator quadratus muscle

O: anterior distal ulna

I: anterior distal radius

A: pronation

INN: median nerve

Brachioradialis

O: lateral supracondylar ridge of humerus

I: styloid process of radius

A: elbow flexion

INN: radial nerve

extensor carpi radialis longus

O: lateral supracondylar ride of humerus

I: base metacarpal 2

A: wrist extension and radial deviation/radial flexion

INN: radial nerve

extensor carpi radialis brevis muscle

O: lateral epicondyle of humerus

I: base of metacarpal 3

A: wrist extension and radical deviation/radial flexion

INN: radial nerve

extensor digitorum

O:lateral epicondyle of humerus

I: dorsal surface of phlanages 2-5

A: wrist, MCP, IP, extension

INN: radial nerve

extensor carpi ulnaris

O: lateral epicondyle of humerus

I: base of metacarpal 5

A: extension of wrist, ulnar deviation/ulnar flexion

INN:

extensor pollicis longus muscle

O: posterior ulna and interosseous membrane

I: distal phalanx of digit 1

A: extends MCP and IP digit 1, adducts and lateral rotates thumb

INN:

extensor pollicis brevis

O: shaft of radius and interosseous membrane

I: proximal phalanx of digit 1

A: extends MCP and IP of digit 1

INN: radial nerve

Extensor Indicis

O: posterior surface of ulna and interosseous membrane

I: middle and distal phalanges of index finger

A: extends wrist and index finger

INN: radial nerve

abductor pollicis longus

O: posterior surface of radius and ulna interosseous membrane

I: trapezium and base membrane 1

A: thumb abduction and thumb extension

INN:

Glenohumeral

glenoid labrum

Acromioclavicular Ligament

coracoclavicular ligament

radial collateral ligament

ulnar collateral ligament

anular ligament