Arm Flashcards by Sae Yamasaki

Flexor carpi radialis

Anterior, superficial

O.   Medial epicondyle of the CFT
I.     Base of 2&3 metacarpal
Act. Flexes at wrist, elbow, and radially deviates
N.    Medial
A.    Ulnar and radial

Shake, supinate, distal tendon

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Pronator Teres

Anterior, Superficial (PASS fail pass fail)

O 2 heads: medial epicondyle of humerus
Coronoid process of ulna
I lat aspect of radius
Act pronates, flexes elbow
N. Median
A. Ulnar, radial

Shake, thumb in valley at elbow

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Palmaris longus

Anterior, Superficial

O. Medial epicondyle of the humerus, off the CFT
I. Palmar aponeurosis and flexor retinaculum
Act. Flexes wrist, elbow
N. Median
A. Ulnar

Shake, supinate, distal tendon

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Flexor carpi ulnaris

Anterior, superficial

O. Medial epicondyle of the humerus, off the CFT
I. Pisiform, hook of hamate, base of MC 5
Act. Flexes wrist, arm, ulnar deviation
N. Ulnar
A. Ulnar

Shake, supinate, pisiform

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Flexor digitorum superficialis

O. 3 heads-Medial epicondyle of humerus off CFT
-coronoid process of ulna
-proximal 1/3 of radius
I. Middle phalanges of the 2-5 digits
Act. Flexes PIP, MCP, wrist, some elbow
N. Median
A. Ulnar, radial

Shake, supinate, palp up ulnar, squeeze fingers individually to thumb

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Flexor digitorum profundus

Anterior, deep

O. Posterior, anterior, medial ulna, interosseus membrane
I. Distal phalanges 2-5
Act. Flexes at MCP, DIP, PIP, wrist
N. Median, ulnar
A. Radial, ulnar, anterior interosseus

Shake, supinate, palp up ulnar side, press fingers to thumb individually

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Flexor policis longus

Anterior, deep

O.   Distal 1/3 of radius
I.     Distal phalanx 1
Act.flexes IP, CMC jt of digit 1
N.   Median
A.    Radial, anterior interosseus

Deep to my finger

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Pronation quadratus

Anterior deep

O.  Distal anterior ulna
I.    Distal anterior radius
Act.pronates forearm
N.  Median
A.   Anterior interosseus

Supinate, slide medial to radial styloid process, engage.

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Teres minor

O. Superior portion of lateral border of scapula
I. Inferior facet of greater tubercle of the humerus
Act. lateral rotation
N. Axillary
A. Circumflex humeral, circumflex scapular

Prone, arm off bed, engage

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Subscapularis

O. Subscapular fossa
I. Lesser tubercle
Act. Medial rotation
N. Upper and lower subscapular
A. Circumflex scapular, dorsal subscapular, suprascapular
(Up, down, around back and above)

Sitting, hand deep in armpit, press their hand to stomach

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Teres major

O.   lateral border of scapula, inferior portion
I      Medial lip of bicipital groove
Act. Adduction, medial rotation
N.   Lower subscapular
A.    Circumflex scapular
       (LeSS CaSh)

Prone, arm off table, adduct

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Deltoids

Seated. Spine, acromion, clavicle

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Coracobrachialis

Supine, arm straight out and bent 90 degrees, have them adduct against your hand, palp along muscle

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Biceps brachii

O. 2 heads: long head-supraglenoid tubercle
Short head-coronoid process
I. Radial tuberosity & bicipital aponeurosis
Act. Flexes at GH and elbow jts, supinates
N. Musculocutaneous
A. Brachial

Sitting or supine. Flex.

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Brachialis

O.   Distal 1/2 of anterior humerus
I.     Ulnar tuberosity
Act. Flexes elbow
N.   Musculocutaneous
A    brachial

Seated. Flex, access lateral side & both sides of bicep tendons

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Triceps brachii

O. 3 heads: long- infraglenoid tubercle
Medial-distal 1/2 humeral shaft
Lateral-proximal 1/2
I. Olecranon process of ulna
Act. Extension of GH jt
N Radial
A. Deep brachial

Prone, arm off table. Hold forearm against extension

Brachioradialis

O.   Lateral supracondylar ridge of the humerus
I.     Radial styloid process
Act. Flexes elbow, pronates, supinates
N.    Radial
A.    Brachial and radial

Sitting. Shake, flex

Anconeus

Posterior, superficial

O.   Lateral epicondyle of the humerus, off CFT
I.     Lateral to the olecranon
Act. Extends the elbow jt
N.    Radial
A.    Deep brachial

Extensor carpi radialis longus

Posterior superficial. Part of Wad of 3.

O    Lateral supracondylar ridge of humerus
I.     Base of the 2 metacarpal 
Act. Extends wrist, radial deviation
N.    Radial
A.    Brachial and radial

Shake, slide laterally off brachioradialis, radially deviate

Extensor carpi radialis brevis

Posterior Superficial. Part of wad of 3.

O.   Lateral epicondyle of humerus
I.     Base of metacarpal 3
Act. Extends wrist, radial deviation
N.   Radial
A.    Brachial and radial

Shake, extend, radially deviate

Extensor digitorum

Posterior, superficial

O. Lateral epicondyle of humerus
I. Middle and distal phalanges 2-5 via dorsal-
Digital expansion
Act. Extend digits 2-5 at MCP, DIP, PIP jts, & wrist
N. Radial
A. Posterior interosseus

Shake, play piano.

Extensor digiti minimi

Posterior superficial

O.   Lateral epicondyle of humerus
I.     Middle and distal phalanges of #5, via dorsal-
          Digital expansion 
Act. Extends wrist, MCP, PIP, DIP jts
N.    Radial
A.    Posterior interosseus

Extensor carpi ulnaris

Posterior, superficial

O.   Lateral epicondyle of humerus and
          Middle third of ulna   
I.     Base of metacarpal 5
Act. Extends wrist, ulnar deviation
N     radial 
A.    Posterior interosseus

Abductor pollicis brevis

Thenar muscle

O.   Flexor retinaculum, scaphoid, trapezium
I.     Proximal phalanx 1
Act. Abducts CMC jt of digit 1
N    median
A.    Radial

Flexor pollicis brevis

Thenar muscle ``` O. Flexor retinaculum, trapezium I. Proximal phalanx of digit 1 Act. Flexes at CMC and MCP jts of digit 1 N. Median, ulnar A. Radial ```

Opponens digiti minimi

Hypothenar muscle ``` O. Flexor retinaculum, hook of hamate I. 5th metacarpal, medial surface Act. Opposition of digit 5 at CMC jt N. Ulnar A. Ulnar ```

Adductor pollicis

Central compartment O 2 heads:oblique- capitate, base of 2&3 MC Transverse- 3rd metacarpal, distal portion I. Proximal phalanx 1, medial portion Act. Adduct CMC jt N Ulnar A. Radial

Dorsal interossei

Central compartment, 4 of them, all are bipennates ``` O. Bodies of MCs 1-5 I. Proximal phalanges 2-4 Act abduction of 2-4 (DABB) N. Ulnar A. Radial, ulnar ```

Palmaris brevis

Superficial facia O. Flexor retinaculum, palmar aponeurosis I. Dermis of the ulnar side of the hand Act. Wrinkles skin on ulnar side of hand. Helps to tighten skin and Tissue of hypothenars during gripping N. Ulnar A. Radial, ulnar

Opponens pollicis

Thenar group ``` O. Flexor retinaculum, trapezium I. Metacarpal 1, anterior lateral surface Act. Opposition at CMC jt of digit 1 N. Medial, ulnar A. Radial ```

Deltoids

``` O. Lateral 1/3 of clavicle Acromion Spine of scapula I. Deltoid tuberosity Act. Abduction, adduction, flexion, extension, medial/lateral extension N. Axillary A. Circumflex humeral ```

Coracobrachialis

``` O. Coracoid process I. Middle third of humerus, medial surface Act. Flexes, adducts at GH jt N. Musculocutaneous A. Brachial ```

Triceps brachii

O. 3 heads:long head- infraglenoid tubercle Lateral head- proximal 1/2 of humerus Medial head- distal 1/2 of humerus I. Olecranon process of ulna Act. Extension of elbow, extension of GH jt by long head N. Radial A. Deep brachial

Supraspinatus

``` O. Supraspinatus fossa I. Superior facet of greater tubercle Act. Abduction at GH jt N. Suprascapular A. Suprascapular ```

Infraspinatus

``` O. Infraspinatus fossa I Greater tubercle, middle facet Act. lateral rotation N Suprascapular A. Suprascapular ```

Abductor pollicis longus

Snuff box, lateral ``` O. Middle 1/3 of posterior ulna, interosseus mem. I. Proximal base of metacarpal 1 Act. Abducts digit 1 @ CMC jt N. Radial A. Posterior interosseus ```

Extensor indicis

O. Distal 1/3 of ulna & interosseus membrane I. Middle and distal phalanges of digit 2 via dorsal digital expansion Act. Extends digit 2 at PIP, DIP, MCP jts, and wrist N. Radial A. Posterior interosseus