Term
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Definition
lateral rotation of the neck and roation of the head
origin: nuchal ligament and spinous processes of c7-t6
insertion: mastoid process, below superior nuchal lines,
c1-c3 |
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Term
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Definition
action: extend and contralaterally rotate head
origin: vertebrae c4-c7
transverse processes of t1-t6
insertion: occipital bone between nuchal lines
spinous process of c2-c5 |
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Term
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Definition
extends head and neck bilaterally
unilaterally bends and rotates neck to same side
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Term
| erector spinae parts and function |
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Definition
spinals, longissimus, illiocostalis
function is to extend and laterally flex vertebral column |
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Term
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Definition
medial rotation of humerus
swings arms back
adduction of humerus
pulls body up during climbing
extends shoulder during rowing motion |
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Term
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Definition
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Term
| serratus anterior insertion |
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Definition
| the medial border of scapula |
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Term
| serratus anterior function |
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Definition
prime mover in all pushing and forward reaching action
draws scapula laterally and forward
protracts scapula
fixes scapula
depresses scapula |
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Term
| pectoralis major function |
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Definition
flexion, adductionand medial rotation of humerus
(climbing or hugging) |
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Term
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Definition
medial half of clavicle
costal cartliage
aponeurosis of external oblique |
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Term
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Definition
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Term
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Definition
depresses apex of shoulder as in bending down to pick up a suitcase
draws scapula laterally and forward |
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Term
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Definition
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Term
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Definition
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Term
| internal intercostals action |
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Definition
respiration,
depression of ribs during exhalation |
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Term
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Definition
| elevation of ribs during inhalation |
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Term
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Definition
| flexion of trunk (sit ups) |
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Term
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Definition
| respiration, contracts during crying laughing coughing sneezing weight lifting |
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Term
| external abdominal oblique |
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Definition
unilateral rotation of trunk
bilateral flextion of trunk sit ups |
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Term
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Definition
unilateral trunk rotation
bilateral trunk flexion |
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Term
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Definition
| compresses abdonimal conteents |
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Term
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Definition
flexes thigh and hip at vice versa
balances trunk during sitting
(flexion as in bending forward in a chair or sitting up) |
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