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LOWER EXTREMITY
back muscles, psoas, QL
Question | Answer |
---|---|
compression of abdominals | common action of abdominals |
deepest of abdomminals | transverse abdominus |
most superficial abdominal | external oblique |
actions of lumbar spine | flexion, rotation, extension, lateral flexion |
Transversospinalis muscles | Multifides, rotatores, semispinalis |
only erector muscle that has a lumbar region | Illiocostalis |
insertion of serratus posterior superior | ribs 2-5 |
action of serratus posterior superior | elevate ribs |
vessels that pass thru diaphragm | inf. vena cava, esophagus, vagus nerve, phrenic nerve, aorta |
most superficial back muscle | trapezius |
deepest back muscles | erector spinae |
muscles on back superficial to deep | trap, rhomboids, serratus PS, erector |
action of psoas | flex and lateral rotate |
action of QL | extension, lateral flexion |
required for quiet breathing | diaphragm |
muscles that form abdominal sheath | Transv. Abdominus, Internal Oblique, External Oblique |
only abdominal not attached to abdominal sheath | rectus abdominus |
attachments for Psoas | T.P. of lumbar vertebrae, lesser trochanter |
most lateral of erector | Illiocostalis |
innervation of deep back muscles | dorsal rami |
muscles that attach to the iliac crest | ext. oblique, int. oblique, erector, QL |
innervation of Abs and intercostals | Thoracic nerves |
muscles that flex vertebral column | rectus abdominus & psoas |
attachment of splenius capitus | occiput |
number of vertebrae in adult vertebral column | 26 |
primary curves of spinal column | thoracic, sacral |
increase in lumbar curve | lordosis |
opening where the spinal cord passes thru vertebral column | vertebral foramen |
opening where spinal roots pass thru vertebrae | intervebral foramen |
outer fibrous portion of intervertebral disc | annulus fibrosis |
which vertebrae doesn't have a spinous process | c1 |
tooth-like process projecting from atlas | dens |
most superficial muscle of back | trap |
bandage muscle | splenius |
most medial of erectors | spinalis |
gutter between spinous process and transv. process | laminar groove |
originates on iliac crest & inserts into 12th rib | QL |
suboccipital muscle that doesn't attach to the occiput | Obliq. Cap inferior |
artery found insuboccipital triangle | vertebral |
outermost covering of spinal cord | dura mater |