Bio Lab: Muscle and Bones of the Upper Limb

scapula acromion process

scapula coracoid process

scapular glenoid cavity

spine of scapula

scapula supraspinous fossa

scapular infraspinous fossa

scapular subscapular fossa

humerus head

anatomical neck of the humerus

humerus greater tubercle

humerus lesser tubercle

humerus medial epicondyle

humerus lateral epicondyle

humerus coronoid fossa

humerus olecranon fossa

humerus capitulum

humerus trochlea

humerus intertubercular sulcus

humerus deltoid tuberosity

radius head (anterior view)

radial tuberosity (anterior view)

radial ulnar notch (anterior view)

radius styloid process (anterior view)

ulna olecranon process (anterior view)

ulna coronoid process (anterior view)

ulna trochlear notch (anterior view)

ulna radial notch (anterior view)

ulna styloid process (anterior view)

hand scaphoid (anterior view)

hand lunate (anterior view)

hand triquetrum (anterior view)

hand pisiform (anterior view)

hand hamate (anterior view)

hand capitate (anterior view)

hand trapezoid (anterior view)

hand trapezium (anterior view)

hand metacarpal bones (1-5)

hand phalanges proximal

hand phalanges middle

hand phalanges distal

clavicle sternal end

clavicle acromial end

SJ scapula acromion process

SJ scapula coracoid process

SJ scapula subscapular fossa

SJ scapula glenoid cavity

red

SJ humerus head

green

SJ humerus lesser tubercle

B

SJ humerus greater tubercle

A

SJ humerus intertubercular sulcus

SJ humerus diaphysis/shaft

biceps brachii long head

origin: glenoid cavity
insertion: radial tuberosity
action: flexion at shoulder and elbow

brachiordalis

origin: ridge proximal to the lateral epicondyle of humerus
insertion: styloid process of radius
action: flexion of elbow

brachialis

origin: anterior surface of the humerus
insertion: ulnar tuberosity
action: flexion of elbow

deltoid

origin: clavicle and scapula
insertion: humerus
action: abduction

coracobrachialis

origin: coracoid process of scapula
insertion: middle part of humerus
action: adduction and flexion at shoulder

latissimus dorsi

origin: spinous processes of thoracic and lumbar vertebrae
insertion: humerus
action: extension, adduction, medial rotation at shoulder

pronater teres

origin: medial epicondyle of humerus
insertion: midshaft of radius
action: pronation

extensor carpi ulnaris

origin: medial epicondyle of humerus and ulna
insertion: base of metacarpal 5
action: extension and adduction at wrist

extensor carpi radialis longus

origin lateral supracondylar ridge
insertion: base of metacarpal 2
actions: extension and abduction at wrist

extensor carpi radialis brevis

origin: lateral epicondyle of humerus
insertion: base of metacarpal 3
action: extension and abduction at wrist

palmaris longus

origin: medial epicondyle of humerus
insertion: palmar aponeurosis
action: flexion at wrist

flexor carpi radialis

origin: medial epicondyle of humerus
insertion: bases of second and third metacarpal bones
action: flexion and abduction at wrist

flexor carpi ulnaris

origin: Medial epicondyle of the humerus and ulna
insertion: pisiform, hamate, base of metacarpal V
action: flexion and abduction of wrist

triceps brachii long head

blue
origin: glenoid tubercle of scapula
insertion: olecranon of ulna
action: extension at elbow, extension and adduction at shoulder

triceps brachii lateral head

red
origin: proximal, lateral middle of humerus
insertion: olecranon of ulna
action: extension at elbow

triceps brachii medial head

blue
origin: posterior surface of mid humerus
insertion: olecranon of ulna
action: extension at elbow