Which is an eccentric function of the erector spinae group?
A) restrains/slows extension of the thigh at the hip joint
B) restrains/slows ipsilateral rotation of the trunk and neck at the spinal joints
C) restrains/slows posterior tilt of the pelvis at the lumbosacral joint
D) restrains/slows anterior tilt of the pelvis at the lumbosacral joint
Correct Answer:
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Q16: Which are the attachments of the multifidus?
A)posterior
Q17: Which are the attachments of the longissimus?
A)sacrum,iliac
Q18: Which is an action of the erector
Q19: Which are the attachments of the spinalis?
A)sacrum,iliac
Q20: If a muscle crosses the spinal joints
Q22: Which is an action of the trunk
Q23: Which are actions of the transversospinalis group?
A)extension
Q24: Which is an action of the longissimus?
A)contralateral
Q25: If a muscle crosses the spinal joints
Q26: Which is an action of the semispinalis?
A)extension
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