Anatomical Kinesiology - Exam 3 (actions, orgins, and insertions)

Action of Aconeus

Action of Aconeus

Extends elbow

Action of the Flexor Carpi Ulnaris

Flexis wrist, ulnar deviation, and assists elbow flexion

Action of Extensor Carpi Radialis Longus

Extends wrist, and radial deviation, and assists elbow flexion

Action of the Brachialis

Flexes elbow

Action of the Extensor Carpi Radialis Brevis

Extends wrist, and radial deviation, and assists elbow flexion

Action of the Palmaris Longus

Tense palmar fascia, flex wrist, and assist elbow flexion

Action of Flexor Carpi Radialis

Flexes wrist, radial deviation, assists elbow flexion

Action of the Brachioradialis

Elbow flexion and assist with supination/pronation

Action of the Flexor Digitorium Superficialis

Flexes 2nd-5th fingers (MCP & PIP), and flexes wrist

Action of the Extensor Carpi Ulnaris

Extends wrist and ulnar deviation

The action of the Supinator

Supination

The action of the Flexor Digitorum Profundus

Flexes 2nd-5th fingers (MCP & PIP) and flexes wrist

Action of the Extensor Digitorum

Extends 2nd-5th fingers and assists wrist extension

Action of the Extensor Indicis

Extends 2nd finger, adducts 2nd finger, and assists wrist extension

The action of the Extensor Digiti Minimi

Extends 5th finger

Action of the Abductor Pollicis Longus

Abducts thumb, extends thumb, and radial deviation

Action of the Adductor Pollicis

Adducts thumb, and assists in thumb flexion

The action of the Lubricals

Extends 2nd-5th finger @ PIP & DIP, and flexes 2nd-5th fingers @ MCP

Action of the Extensor Pollicis Longus

Extends thumb @ DIP and radial deviation

Action of the Extensor Pollicis Brevis

Extends thumb @ CMC & MCP and radial deviation

Action of the Palmar Interossei

Adducts 1st, 2nd, 4th and 5th fingers, assists flexion of 1st, 2nd, 4th and 5th fingers @ MCP, assist extension of 1st, 2nd, 4th and 5th fingers @ IPs

Action of Flexor Pollicis Longus

Flexes thumb @ DIP, flexes thumb @ CMC & MCP, and assists to flex the wrist

Action of the Dorsal Interossei

ABDUCTS 2nd, 3rd , and 4th fingers, Assists FLEXION of 2nd, 3rd, and 4th fingers@ MCP, Assist EXTENSION of 2 and , 3rd, and 4th fingers @ IPs

Action of the Abductor Digiti Minimi

Abducts 5th finger, and assists in opposition of 5th finger to thumb

Action of the Flexor Pollicis Brevis

Flexes thumb and assists in opposition

Action of the Opponens Policis

Opposition of the tumb

Action of the Abductor Pollicis Brevis

ABDUCTS Thumb @ CMC & MCP, Assists in opposition

Action of the Flexor Digiti Minimi Brevis

FLEXES 5th finger, Assists in OPPOSITION of 5th finger to thumb

Action of the Opponens Digiti Minimi

OPPOSITION of 5th finger @ CMC joint

Origin of the Flexor Carpi Radialis

medial Epicondyle of HUMERUS

Origin of the Palmaris Longus

Medial epicondyle of HUMERUS

Origin of the Flexor Carpi Ulnaris

• medial epicondyle of HUMERUS (humeral head)

• posterior surface of proximal 2/3 of Ulna (ulnar head)

Origin of the Flexor Digitorum Superficialis

• medial epicondyle

• UCL

• coranoid process

• interosseous membrane

• proximal shaft of radius

origin of the flexor digitorum profundus

anterior and medial surfaces of proximal ¾ of ulna

insertion of the flexor carpi radialis

bases of 2nd and 3rd metacarpals

insertionf of the palmaris longus

flecor retinaculum and palmar aponeurosis

insertion of the flexor carpi ulnaris

• pisiform

• hook of hamate

• base of the 5th metacarpal

insertion of the flexor digitorum superficialis

sides of missle phalanges of the 2nd-th fingers

insertion of the flexor digitorum profundus

• bases of distal phalanges

• palmar surface of 2nd-5th fingers

origin of the extensor carpi radialis longus

distal 1/3 of lateral supracondylar ridge of humerus

origin of the extensor carpi radialis brevis

lateral epicondyle of humerus

origin of the extensor carpi ulnaris

lateral epicondyle of humerus

origin of the extensor digitorum

lateral epicondyle of humerus

origin of the extensor indicis

posterior surface of distal shaft of Ulna and interosseous membrane

origin of the extensor digiti minimi

lateral epicondyle of humerus

insertion of the extensor carpi radialis longus

base of 2nd metacarpal

insertion of extensor carpi radialis brevis

base of 3rd metacarpal

insertion of extensor carpi ulnaris

base of 5th metacarpal

insertion of extensor digitorum

bases of middle and distal phalanges of 2nd-5th

insertion of the extensor indicis

tendon of extensor digitorum of 2nd metacarpal

insertion fo extensor digiti minimi

base of the proximal phalanx of the 5th finger