actions of these muscles Muscle                                       origin                                          insertion                            action Latissimus dorsi Spinous processes of T7 thru L5, lower 3 ribs, iliac crest Rhomboids Spinous...

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actions of these muscles

Muscle                                     origin                                        insertion                           action

Latissimus dorsi

Spinous processes of T7 thru L5, lower 3 ribs, iliac crest

Rhomboids

Spinous processes of C7 thru T5

Diaphram

External intercostals

Internal Intercoatals

Triceps brachii

Long head: inferior margin of glenoid cavity

Lateral head: posterior humerus

Medial head: distal radial groove of post. humerus

Biceps brachii

Short head: coracoid process

Long head: supra-glenoid tubercle

Brachioradialis

Flexor Digitorum Longus

Answer & Explanation Solved by verified expert
3.6 Ratings (382 Votes)
Ans 1 Latissimus dorsi iOrigin Vertebral part spinous processes of vertebrae T7 to T12 thoracolumbar fascia Iliac part posterior third of crest of ilium Costal part Ribs 9 to 12 Scapular part inferior angle of scapula iiInsertion Intertubercular sulcus of the humerus between teres major muscle and pectoralis major muscle    See Answer
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