Muscles: Pectoral girdle and brachium part 1

Card Set Information

Author:
edeleon
ID:
287164
Filename:
Muscles: Pectoral girdle and brachium part 1
Updated:
2014-11-12 01:17:33
Tags:
muscles pectoral girdle brachium
Folders:
Lab practical 3
Description:
Origin, insertion, and actions with some pictures
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  1. Pectoralis Major: origin, insertion, action
    Origin: clavicle, sternum, ribs 1-6
  2. Deltoid: origin, insertion, action
    • Origin: clavicle, acromion, spine of scapula
    • insertion: deltoid tuberosity of humerus
    • action: abducts arm
  3. Latissimus Dorsi
    Action: extension of humerus at shoulder
  4. Biceps Brachii: origin, insertion, action
    • Origin: Longhead(supraglenoid tubercle), shorthead (coracoid process)
    • Insertion: Radial tuberosity of radius
    • action: elbow flexion, supination, shoulder flexion
  5. Triceps Brachii: origin and action?
    • Origin: long head (infraglenoid tubercle)
    • short head (post. humerus)
    • action: shoulder extension (long only), elbow extension
  6. Brachialis: action?
    • action: elbow flexion
  7. Brachioradialis
    • Action: elbow flexion

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