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Muscles Upper limbs
Muscles of the forearm!!
Question | Answer |
---|---|
O. of Brachioradialis | Lateral supracondyle ridge of humerus |
I. of Brachioradialis | Styloid process of ulna |
A. of Brachioradialis | Flexion of elbow (works best in neutral position) |
N. of Brachioradialis | Radial n. |
O. of Pronator Teres | Humeral head: medial epicondyle of humerus. Ulnar head: coronoid process of ulna |
I. of Pronator Teres | Middle of Lateral shaft of radius |
A. of Pronator Teres | Pronation of forearm, assists flexion of elbow. |
N. of Pronator Teres | Median n. |
O. of Pronator Quadratus | Distal 1/4 of anterior ulna |
I. of Pronator Quadratus | Distal 1/4 of anterior radius |
A. of Pronator Quadratus | Pronation of forearm |
N. of Pronator Quadratus | Median n. |
O. of Supinator | Lateral epicondyle of humerus, Annular and radial collateral ligaments, proximal ulna at supinator crest |
I. of Supinator | supination of forearm |
N. of Supinator | Radial n. |
O. of Extensor Carpi Radialis Longus | Lateral Supracondylar ridge, lateral epicondyle of humerus |
I. of Extensor Carpi Radialis Longus | Base of the 2nd metacarpal |
A. of Extensor Carpi Radialis Longus | Extension, Abduction of wrist (radial deviation) |
N. of Extensor Carpi Radialis Longus | Radial n. |
O. of Extensor Carpi Radialis Brevis | Lateral epicondyle of humerus (common extensor tendon) |
I. of Extensor Carpi Radialis Brevis | Base of the 3rd metacarpal |
A. of Extensor Carpi Radialis Brevis | Extension of Wrist |
N. of Extensor Carpi Radialis Brevis | Radial n. |
O. of Extensor Carpi Ulnaris | Lateral epicondyle of humerus (common extensor tendon), posterior proximal ulna |
I. of Extensor Carpi Ulnaris | Base of 5th metacarpal |
A. of Extensor Carpi Ulnaris | Extension, adduction of wrist (ulnar deviation) |
N. of Extensor Carpi Ulnaris | Radial n. |
O. of Extensor Digitorum | Lateral epicondyle of humerus (common extensor tendon) |
I. of Extensor Digitorum | Via extensor expansion of 4 fingers, into the base of the 2nd and 3rd phalanges |
A. of Extensor Digitorum | Extension of 4 fingers at MP joints and interphalangeal joints, assists extension of wrist |
N. of Extensor Digitorum | Radial n. |
O. of Extensor Digiti Minimi | Later epicondyle of humerus (common extensor tendon) |
I. of Extensor Digiti Minimi | Via extensor expansion of little finger to the base of the 2nd and 3rd phalanges |
A. of Extensor Digiti Minimi | Extension of the little finger at MP joint and interphalangeal joints, assist extension of wrist |
N. of Extensor Digiti Minimi | Radial n. |
O. of Extensor Indicis | Posterior ulna and interosseus membrane |
I. of Extensor Indicis | Via extensor exspansion of index finger to the base of the 2nd and 3rd phalanges |
A. of Extensor Indicis | Extension of the index finger at MP joint and interphalangeal joints, assists extension of wrist |
N. of Extensor Indicis | Radial n. |
O. of Extensor Pollicis Longus | Posterior ulna and interosseous membrane, middle 1/3 |
I. of Extensor Pollicis Longus | Base of distal phalanx of thumb |
A. of Extensor Pollicis Longus | Extension of distal phalanx of thumb at IP joint, assists wrist abduction |
N. of Extensor Pollicis Longus | Radial n. |
O. of Extensor Pollicis Brevis | Poster radius, interosseous membrane |
I. of Extensor Pollicis Brevis | Base of proximal phalanx of thumb |
A. of Extensor Pollicis Brevis | Extension of proximal phalanx of thumb at MP joint, assists wrist abduction |
N. of Extensor Pollicis Brevis | Radial n. |
O. of Abductor Pollicis Longus | Posterior radius, posterior ulna, interosseous membrane |
I. of Abductor Pollicis Longus | Base of 1st metacarpal |
A. of Abductor Pollicis Longus | Abduction of 1st metacarpal of thumb at CM joint, assists wrist abduction |
O. of Flexor Carpi Ulnaris | Humeral head: medial epicondyle of humerus. Ulnar head: proximal posterior ulna and olecranon process of ulna |
I. of Flexor Carpi Ulnaris | Pisiform, Hamate, base of 5th metacarpal |
A. of Flexor Carpi Ulnaris | Flexion, adduction of wrist (ulnar deviation) |
N. of Flexor Carpi Ulnaris | Ulnar n. |
O. or Palmaris Longus | Medial Epicondyle of humerus |
I. of Palmaris Longus | Palmer aponeurosis, flexor retinaculum |
A. of Palmaris Longus | Assists flexion of wrist |
N. of Palmaris Longus | Median n. |
O. of Flexor Carpi Radialis | Medial epicondyle of humerus |
I. of Flexor Carpi Radialis | Bases of 2nd and 3rd metacarpals |
A. of Flexor Carpi Radialis | Flexion, abduction of wrist (radial deviation) |
N. of Flexor Carpi Radialis | Median n. |
O. of Flexor Digitorum Superficialis | Humeral Head: Medial epicondyle of humerus. Ulnar Head: Coronoid process of ulna. Radial Head: Anterior oblique line |
I. of Flexor Digitorum Superficialis | Sides of shafts of middle phalanges of 4 fingers |
A. of Flexor Digitorum Superficialis | Flexion of middle phalanges of 4 fingers at PIP joint, assists flexion of wrist |
N. of Flexor Digitorum Superficialis | Median n. |
O. of Flexor Digitorum Profundus | Middle of anterior Ulna and interosseous membrane |
I. of Flexor Digitorum Profundus | Bases of distal phalanges of 4 fingers |
A. of Flexor Digitorum Profundus | Flexion of distal phalanges of 4 fingers at DIP joints, assists flexion of wrist |
N. of Flexor Digitorum Profundus | Median n. to radial two fingers, Ulnar n. of ulnar 2 fingers |
O. of Flexor Pollicis Longus | Middle of anterior radius, interosseous membrane |
I. of Flexor Pollicis Longus | Distal phalanx of thumb |
A. of Flexor Pollicis Longus | Flexion of distal phalanx of thumb at IP joint |
N. of Flexor Pollicis Longus | Median n. |