| I). Movements of the Scapula----Muscles of the External Thorax
A). Anterior: Protracts
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|
| 1). Pectoralis
minor
Location
Function
O: rib cage
I: scapula |
 |
| 2).
Serratus anterior Location
Function O: rib cage
I: scapula |
|
| B). Posterior Thorax: Retracts
|
|
| 1). Trapezius Location
Function O: occipital bone & vertebrae
I: scapula |
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| 2). Rhomboids Location
Function
O: vertebrae
I: scapula |
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| II). Crossing the Shoulder Joint
|
|
| A). Pectoralis Major
Location
Function O: sternum I: humerus |
|
| B).
Latissimus Dorsi Location
Function O: vertebrae
I: humerus
|
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| C). Deltoid
O: clavicle and scapula
I: humerus
|
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| D). Infraspinatus Location
Function O: scapula
I: humerus
|
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| E). Supraspinatus Location Function O: scapula
I: humerus
|
|
| F). Teres Major
Location Function O: scapula
I: humerus
|
|
| F). Coracobrachialis Location
Function
O: scapula I: medial humerus |
 |
| III). Crossing the Elbow Joint A). Anterior: Flexors
|
|
| 1). Biceps Brachii Location
Function O: scapula & humerus
I: radius
|
 |
| 2). Brachialis Location
Function
O: humerus I: ulna |
|
| 3). Brachioradialis Location
Function
O: humerus (distal)
I: radius (distal) |
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| B). Posterior: Extenders |
|
| 1).
Triceps Brachii Location
Function O: scapula & medial and proximal humerus
I: radius |
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| IV). Forearm: Movement of the wrist A. Anterior
|
|
| 1). Pronator Teres Location
Function O: humerus
I: radius |
 |
| 2). Pronator quadratus Location
Function
O: ulna
I: radius |
|
| 3). Palmaris Longus Location
Function O: humerus
I: palm
|
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| 4). Flexor Carpi Radialis Location
Function O: humerus I: carpals along radius |
 |
| 5). Flexor Carpi Ulnaris Location
Function O: humerus I: carpals along ulna |
 |
| B). Posterior |
|
|
1). Supinator Location
Function O: humerus & ulna
I: medial radius |
|
| 2). Extensor Carpi Radialis
(Longus & Brevis) Location
Function O: humerus
I: carpals along radius |
 |
|
3). Extensor Carpi Ulnaris Location
Function O: humerus & ulna I: carpals along ulna
|
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| V). Movements of the fingers A). Anterior: Flexors
|
|
| Flexor Digitorum Superficialis Location
Function O: ulna
I: phalanges |
|
| B) Posterior: Extenders
|
|
| Extensor Digitorum Location
Function O: humerus
I: phalanges
|
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