Case Study One - Upper Limb

Latissimus Dorsi Origin

Spinous processes of T7–L5

thoracolumbar fascia

iliac crest

inferior 3–4 ribs

Latissimus Dorsi Insertion

Intertubercular groove of humerus

Teres Major Origin

inferior angle of the scapula

Teres Major Insertion

medial lip on the intertubercular groove of humerus

Pectoralis Major Origin

Sternum

costal cartilages of ribs 1–6 (sometimes 7)

aponeurosis of external oblique

Pectoralis Major Insertion

Lateral lip of intertubercular groove

Deltoid Origin

spine of the scapula

Deltoid Insertion

deltoid tuberosity of the humerus

Long head of triceps brachii Origin

infraglenoid tubercle of the scapula

Lateral Head Triceps Brachii Origin

Posterior surface of humerus, above the radial groove

Triceps Brachii Insertion

olecranon process of the ulna

Long head of biceps brachii Origin

supraglenoid tubercle of the scapula

Long head of biceps brachii Insertion

radial tuberosity

Short head of biceps brachii Origin

Coracoid process of scapula

Short head of biceps brachii Insertion

radial tuberosity

Brachialis Origin

distal end of the humerus

Brachialis Insertion

ulnar tuberosity

coranoid process of the ulna

Brachioradialis Origin

lateral supracondylar ridge of the humerus

Brachioradialis Insertion

styloid process of the radius

Shoulder joint bones

scapula

humerus

Elbow joint bones

radius

ulna

humerus

Elbow joint

synovial hinge joint

Shoulder joint

Synovial ball and socket joint

during reach motion - shoulder

flexion

during reach motion - elbow

extension

during pull motion - shoulder

extension

during pull motion - elbow

flexion

Medial head Triceps Brachii Origin

Posterior surface of humerus, below the radial groove

during reach motion - wrist

ulnar deviation

during pull motion - wrist

radial deviation

elbow extension muscles

triceps brachii

Elbow flexor muscles

Biceps brachii

brachialis

brachioradialis

Shoulder Extension muscles

Latissimus Dorsi

Teres Major

Deltoid

Shoulder Flexion muscles

Deltoid

Pectoralis Major

Ulnar Deviation Muscles

Flexor Carpi Ulnaris

Extensor Carpi Ulnaris

Radial Deviation Muscles

Flexor carpi radialis

Extensor carpi radialis longus

Extensor carpi radialis brevis

Function upper limb

transport

power grip