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Anatomy PTH5422 > Back Muscles ACTIONS > Flashcards

Back Muscles ACTIONS Flashcards

1
Q

Trapezius Action

A

Elevate Scapula
Retract Scapula
Rotate Superiorly

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2
Q

Levator Scapulae action

A

Elevate Scapula
Inferiorly rotate scapula

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3
Q

Latissimus dorsi action

A

Extend humerus
ADD humerus
Medially rotate humerus

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4
Q

Rhomboid Minor action

A

Retract scapula
Rotate scapula
fix scapula to body wall

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5
Q

Rhomboid Major action

A

Retract scapula
Rotate scapula
fix scapula to body wall

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6
Q

Serratus posterior superior action

A

elevate ribs
proprioception
(accessory to respiration)

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7
Q

Serratus posterior inferior action

A

depress ribs
proprioception
(accessory to respiration)

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8
Q

Splenius capitis action

A

bilateral: extend head
unilateral: ipsilateral flex and rotation of head

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9
Q

Splenius cervicis action

A

bilateral: extend head
unilateral: ipsilateral flex and rotation of head

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10
Q

Iliocostalis action

A

bilateral: extend vertebral column and neck
unilateral: ipsilateral flex and rotation

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11
Q

Longissimus action

A

bilateral: extend vertebral column and neck
unilateral: ipsilateral flex and rotation

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12
Q

Spinalis action

A

bilateral: extend vertebral column and neck
unilateral: ipsilateral flex and rotation

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13
Q

Semispinales action

A

Extend head/neck and vertebral column
Stabilize/control rotation of vertebral column

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14
Q

Multifidus action

A

Extend head/neck and vertebral column
Stabilize/control rotation of vertebral column

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15
Q

Rotatores action

A

Contralateral rotation
Stabilize vertebral column

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16
Q

Interspinales action

A

Extend and rotate vertebral column

17
Q

Intertransversarii action

A

Extend vertebral column
ipsilateral flexion

18
Q

Rectus capitis posterior major action

A

bilateral: extend at atlantooccipital joint
unilateral: ipsilateral rotation of joint

19
Q

Rectus capitis posterior minor action

A

bilateral: extend at atlantooccipital joint
unilateral: ipsilateral rotation of joint

20
Q

Obliquus capitis superior action

A

Extension and ipsilateral lateral flexion

21
Q

Obliquus capitis inferior action

A

Extension and ipsilateral rotation of head

Anatomy PTH5422 (11 decks)

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