forelimb muscles origin, insertion, action, innervation

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brachialis origin

Distal half of anterior surface of humerus

flexor carpi radialis innervation

Median nerve (C6, C7)

palmaris longus innervation

Median nerve (C7, C8)

biceps brachii long head innervation

Musculocutaneous nerve (C5, C6)

biceps brachii short head innervation

Musculocutaneous nerve (C5, C6)

brachioradialis innervation

Radial nerve (C5, C6)

extensor carpi radialis longus innervation

Radial nerve (C6-C8)

flexor carpi ulnaris innervation

Ulnar nerve (C7, C8)

flexor carpi radialis insertion

base of 2nd and 3rd metacarpals

extensor carpi radialis longus insertion

base of 2nd metacarpal

extensor carpi radialis brevis insertion

base of 3rd metacarpal

extensor carpi ulnaris insertion

base of 5th metacarpal

biceps brachii short head origin

coracoid process of scapula

coracobrachialis origin

coracoid process of scapula

brachialis insertion

coronoid process and tuberosity of ulna

anconeus action

elbow extension

extensor carpi radialis brevis action

extends and abducts wrist

extensor carpi radialis longus action

extends and abducts wrist

extensor carpi ulnaris action

extends and adducts wrist

extensor digitorum action

extends fingers

triceps brachii medial action

extends forearm at elbow

triceps brachii lateral action

extension of elbow

triceps brachii long action

extension of forearm at elbow

extensor digitorum insertion

extensor expansion of digits 2-5

coracobrachialis action

flexes and adducts arm

biceps brachii long head action

flexes elbow joint and supinates forearm

biceps brachii short head action

flexes elbow joint and supinates forearm

brachialis action

flexes forearm

brachioradialis action

flexes forearm

palmaris longus action

flexes wrist

flexor digitorum action

flexion of wrist and digits

flexor digitorum origin

humeral head, coronoid process, radial tuberosity

triceps brachii long origin

infraglenoid tubercle of scapula

anconeus origin

lateral epicondyle of humerus

brachioradialis origin

lateral epicondyle of humerus

extensor carpi radialis brevis origin

lateral epicondyle of humerus

extensor carpi ulnaris origin

lateral epicondyle of humerus

extensor digitorum origin

lateral epicondyle of humerus

supinator origin

lateral epicondyle of humerus

extensor carpi radialis longus origin

lateral supracondylar ridge of humerus

flexor carpi radialis origin

medial epicondyle of humerus

palmaris longus origin

medial epicondyle of humerus

pronator teres origin

medial epicondyle of humerus and coronoid process of ulna

flexor carpi ulnaris origin

medial epicondyle of humerus, olecranon process of ulna

coracobrachialis insertion

medial surface of humerus

flexor digitorum innervation

median nerve

pronator teres innervation

median nerve

pronator teres insertion

middle of lateral surface of radius

flexor digitorum insertion

middle phalanges of digits 2-5

brachialis innervation

musculocutaneous nerve

coracobrachialis innervation

musculocutaneous nerve

anconeus insertion

olecranon process of ulna

triceps brachii lateral insertion

olecranon process of ulna

triceps brachii long insertion

olecranon process of ulna

triceps brachii medial insertion

olecranon process of ulna

palmaris longus insertion

palmar aponeurosis

flexor carpi ulnaris insertion

pisiform, hamate, base of 5th metacarpal

triceps brachii medial origin

posterior humerus

triceps brachii lateral origin

posterior surface of humerus

pronator teres action

pronates forearm

anconeus innervation

radial nerve

extensor carpi radialis brevis innervation

radial nerve

extensor carpi ulnaris innervation

radial nerve

extensor digitorum innervation

radial nerve

supinator innervation

radial nerve

triceps brachii lateral innervation

radial nerve

triceps brachii long innervation

radial nerve

triceps brachii medial innervation

radial nerve

biceps brachii short head insertion

radial tuberosity

biceps brachii long head insertion

radial tuberosity and bicipital aponeurosis

supinator insertion

radius

brachioradialis insertion

styloid process of radius

supinator action

supinates forearm

biceps brachii long head origin

supraglenoid tubercle of scapula

flexor carpi radialis action

wrist flexion, radial deviation

flexor carpi ulnaris action

wrist flexion, ulnar deviation


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