Anatomy: Muscles Of The Arm And Forearm

Front 1

Origins and insertions of the biceps brachii

Back 1

Long head: supraglenoid tubercle of scapula

Short head: coracoid process of scapula

Both insert on the radial tuberosity and fascia of the forearme via bicipital aponeurosis.

Front 2

Origin and insertion of the brachialis

Back 2

Origin: dital half of the humeral shaft

Insertion: coronoid process of the ulna tuberosity

Front 3

Origins and insertion of the coracobrachialis

Back 3

Origin: tip of coracoid prcess

Insertion: middle third of medial humerus

Front 4

Origin and insertion of the triceps brachii

Back 4

Origins:

Long head- ingraglenoid tubercle of scapula

Lateral head: superior to radial groove of humerus

Medial head: inferior to the radial groove of humerus

Front 5

Origin and insertion of anconeous

Back 5

Origin: Lateral epicondyle

Insertion: lateral side of olecranon

Front 6

The musculotaneous nerve supplies what 3 muscles?

Back 6

Biceps brachii, brachialis, coracbrachialis

Front 7

The radial nerve supplies what 3 upper arm muscles?

Back 7

Brachialis, triceps brachii, anconeous

Front 8

Origin and insertion of pronator teres?

Back 8

Origin: medial epicondyle of humerus, coronoid process of ulna

Insertion: mid-lateral surface of radius

Front 9

Origin and insertion of flexor carpi radialis?

Back 9

Origin: medial epicondyle

Insertion: base of 2nd and 3rd metacarpal

Front 10

Origin and insertion of palmaris longus?

Back 10

Origin: medial epicondyle

Insertion: palmar aponeurosis, flexor retinaculum

Front 11

Origin and insertion of flexor carpi ulnaris?

Back 11

Origin

Humeral head - medial epicondyle

Ulnar head: olecranon and posterior border of ulna

Insertion: pisiforme, hook of hamate and the 5th metacarpal

Front 12

Origin and insertion of flexor digitorum superficialis?

Back 12

Origin:

Humeroulnar head- medial epicondyl, coronoid process, ulnar collateral ligament

Radial head- superior half of anterior border of radius

Insertion: Middle phalanges of medial 5 digits

Front 13

Origin and insertion of flexor digitorum profundus?

Back 13

Origin: proximal 3/4 of ulna, IOM

Insertion: Bases of distal phalanges of medial 4 digits

Front 14

Origin and inserion of flexor pollicis longus?

Back 14

Origin: anterior surface of distal radius and IOM

Insertion: base of distal phalanx of first digit

Front 15

Origin and insertion of pronator quadratus?

Back 15

Origin: Distal fourth of ulna

Insertion: distal fourth of radius

Front 16

What 5 muscles does the median nerve supply?

Back 16

Pronator teres, flexor crpi radialis, palmaris longus, flexor digitorum, and the LATERAL PART of the flexor digitorum profundus.

Front 17

What 2 muscles does the ulnar nerve supply?

Back 17

Flexor carpi ulnaris, and the MEDIAL PART of the flexor digitorum profundus.

Front 18

What nerve supplies both the flexor pollicis longus and the pronator quadratus?

Back 18

Anterior interosseous nerve

Front 19

Origin and insertion of the extensor carpi radialis longus?

Back 19

Origin: lateral supraepicondylar ridge

Insertion: base of 2nd metacarpal

Front 20

Origin and insertion of extensor carpi radilis brevis?

Back 20

Origin: lateral supraepicondylar ridge

Insertion: Base of 3rd metacarpal

Front 21

Origin and insertion of extensor disitorum?

Back 21

Origin: lateral epicondyle

Insertion: Extensor expansion of medial 4 digits

Front 22

Origin and insertion of extensor digiti minimi?

Back 22

Origin: lateral epicondyle

Insertion: Extensor expansion of 5th digit

Front 23

Origin and insertion of extensor carpi ulnaris?

Back 23

Origin: lateral epicondyle, posterior borded of ulna via aponeurosis

Insertion: base of 5th metacarpal

Front 24

Origin and insertion of supinator?

Back 24

Origin: lateral epicondyle, supinator fossa crest of ulna

Insertion: proximal third of radius (LAT, POS, ANT)

Front 25

Origin and insertion of extensor indicis?

Back 25

Origin: posterior surface of ulna, IOM

Insertion: extensor expansion of 2nd digit

Front 26

Origin and insertion of abductor pollicis longus?

Back 26

Origin: POS of radius/ulna and IOM

Insertion: base of 1st metacarpal

Front 27

Origin and insertion of EXTENSOR POLLICIS LONGUS

Back 27

Origin: middle 1/3 of ulna, radius and IOM

Insertion: base of distal phalanx of 1st digit

Front 28

Origin and insertion of extensor pollicis brevis?

Back 28

Origin: POS of redius and IOM

Insertion: base of proximal phalanx of 1st digit.

Front 29

What nerve supplies anconeous and extensor carpi radialis longus?

Back 29

Radial nerve

Front 30

What does the deep branch of the radial nerve supply?

Back 30

1. Extensor carpi radialis brevis

2. Supinator

Front 31

What muscles does the posterior interosseous nerve supply?

Back 31

1. Extensor carpi radialis

2. Extensor digiti minimi

3. Extensor carpi ulnaris

4. Extensor indicis

5. Adbuctor pollicis longus

6. Extensor pollicis longus

7. Extensor pollicis brevis