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23 Cards in this Set
- Front
- Back
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what does the lattisimus dorsi act on?
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the humerous
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what is flexion?
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decreasing the angle of a joint
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what is extension?
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increasing the angle of a joint
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define lateral flexion of the spine
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side bending
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define spinal rotation
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twisting
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define reduction
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returning from side bending
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the erector spinae muscles include
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spinalis, lingissimus,iliocostalis
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what are the actions of the erector spinae muscle
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bilateral extension, unilateral and lateral flexion
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name the tranverse spinalis muscles
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rotators, multifidus and semispinalis
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what are the actions of the transversespinalis muscles
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extensin,rotation and stabalization
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what does the splenius capitis and the splenius cervicis do
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extend and rotate the neck
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the origin of the latissimus dorsi is from
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t7 to the illiac crest
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name the rotator cuff muscles
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supraspinatus, infraspinatus, subscapularis and the teres minor
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supraspinatus, infraspinatus and the teres minor insert on what?
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the greater tubericle of the humerous
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the action of the supraspinatus is what?
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abduction of the humerous
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name the five shoulder girdle muscles
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trapezius, rhomboids, levatator scapulae, pectoralis minor, serratus interior
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the shoulder girdle muscles act on and support what?
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the scapula and clavicle
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the origin of the trapezius is from what?
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occiput to t12
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the insertion of the trapezius is the lateral one third of the what?
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clavical, acromium process, and the scapula
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the origin of the rhomboids is
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C7-T5
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the insertion of the rhomboids is
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the vertical border of the scapula
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the origin of the levatator scapula is
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C1-4
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the insertion of the levatator scapula is
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the superior third of the vetebral border
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