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Pectoralis Minor
- O: 3-5 ribs
- I: coracoid process
- A: stabalize the scapula
- In: C8-T1, pectoral nerve
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Subclavius
- O: junction of 1st rib
- I: clavicle
- A: anchors/depresses clavicle
- In: C5-C6, subclavian nerve
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Serratus Anterior
- O: nuchal line, external occipital proturberance, c7-t12 spinous processes
- I: clavicle, acromion and spine of scapula
- A: elevates and depresses scapula
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Latissimus Dorsi
- O: T6 spinous process, thoracolumbar fascia, iliac crest, 3-4 ribs
- I: intertubercle sulcus of the humerus
- A: extends, adducts, rotates humerus
- In: c6-c8, thoracodorsal nerve
-
Levator Scapulae
- O: C1-C4 transverse process
- I: medial border of scapula
- A: elevates scapula
- In: C3-C4 cervical nerves, C5 dorsal scapular nerves
-
Rhomboid Minor
- O: nuchal ligament, spinous process C7 and T1 vertebrae
- I: scapular spine
- A: retract, rotate scapula, depress the glenoid cavity
- In: C4-C5 dorsal scapular nerve
-
Rhomboid Major
- O: spinous process T2-T5
- I: medial border of scapula
- A: retract, rotate scapula. Depress glenoid cavity
- In: C4-C5 dorsal scapular nerve
-
Deltoid
- O: clavicle, acromion and spine of scapula
- I: deltiod tuberosity
- A: flexes, rotates, abducts, extends arm
- In: C5-C6 axillary nerve
-
Teres Major
- O: inferior angle of scapula
- I: intertubercular sulcus
- A: adducts, rotates arm
- In: C5-C6 subscapular nerve
-
Supraspinatus
- O: supraspinatus fossa
- I: superior facet of greater tubercle
- A: abduction of the arm
- In: C4-C6 suprascapular nerve
-
Infraspinatus
- O: infraspinous fossa
- I: middle facet of greater tubercle
- A: rotate arm
- In: C5-C6 suprascapular nerve
-
Teres Minor
- O: lateral border of scapula
- I: inferior facet of greater tubercle
- A: rotate arm
- In: C5-C6 axillary nerve
-
Subscapularis
- O: subscapular fossa
- I: lesser tubercle
- A: rotate, adduct arm
- In: C5-C7 subscapular nerve
-
Pronator Teres
- O: ulnar head-coronoid process
- humeral head- medial epicondyle
- I: middle of convexity of radius
- A: pronates, flexes forearm
- In: C6-C7 median nerve
-
Pronator Quadratus
- O: distal anterior ulna
- I: distal anterior radius
- A: pronates forearm, binds ulna and radius together
- In: C8, T1 anterior interosseous nerve, median nerve
-
Flexor Carpi Radialis
- O: medial epicondyle
- I: base of 3,2 metacarpal
- A: flexes, abducts hand
- In: C6-C7 median nerve
-
Palmaris Longus
- O: medial epicondyle
- I: flexor retinaculum, palmar aponeurosis
- A: flexes hand, tenses palmar aponeurosis
- In: C7-C8 median nerve
-
Flexor Carpi Ulnaris
- O: olecranon, posterior border
- I: pisiform, hamate, 5th metacarpal
- A: flexes, adducts hand
- In: C7-C8 ulnar nerve
-
Flexor Digitorum Superficialis
- O: humero-unlar head- medial epicondyle, coronoid process
- radial head- oblique line of radius
- I: middle phalanges, 4 digits
- A: flexes digits
- In: C7-C8, T1 median nerve
-
Flexes Pollicis Longus
- O: radius, interosseous membrane
- I: distal phalanx
- A: flexes thumb
- In: C8,T1 median nerver, inerosseous nerve
-
Flexor Digitorum Profundus
- O: ulna, interosseous membrane
- I: distal phalandes 2-5 digits
- A: flexes distal joints 2-5 digits
- In: median nerve C8, T1 ulnar nerve
-
Brachioradialis
- O: supra-epicondylar ridge of humerus
- I: distal end of radius proximal to styloid process
- A: flex foremarm
- In: radial nerve C5-C7
-
Extensor Carpi Radialis Longus
- O: lateral supre-epicondylar ridge
- I: base of 2nd metacarpal
- A: extend/abduct hand, fist clenching
- In: radial nerve C6-C7
-
Extensor Carpi Radialis Brevis
- O: lateral epicondyle
- I: base of 3rd metacarpal
- A: extend, abduct hand, fist clenching
- In: radial nerve, C7-C8
-
Extensor Carpi Ulnaris
- O: lateral epicondyle, ulna
- I: base of 5th metacarpal
- A: extend, adduct hand, fist clenching
- In: radial nerve, interosseous nerve C7-C8
-
Extensor Digitorum
- O:lateral epicondyle
- I: medial 4 fingers
- A: extend medial 4 fingers
- In: radial nerve, interosseous nerve, C7-C8
-
Extensor Digitorum Minimi
- O: lateral epicondyle
- I: extensor expansion of the 5th finger
- A: extends 5th finger
- In: radial nerve, interosseous nerve C7-C8
-
Abductor Pollicis Longus
- O: ulna, radius, interosseous membrane
- I: base of 1st metacarpal
- A: interosseous nerve C7-C8, radial nerve
- In: abducts and extends thumb
-
Extensor Pollicis Longus
- O: ulna, interosseous membrane
- I: base of the thumb
- A: extend thumb
- In: interosseous nerve C7-C8, radial nerve
-
Extensor Pollicis Brevis
- O: interosseous membrane, radius
- I: base of thumb
- A: extends thumb
- In: interosseous nerve C7-C8, radial nerve
-
Extensor Indicis
- O: lateral epicondyle, supinator fossa, crest of ulna, radial langular ligament
- I: radius
- A: supinates, forearm
- In: radial nerve, C7-C8
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