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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 |