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Pelvic Girdle ppp
| Question | Answer |
|---|---|
| Pelvic girdle four bones | Sacrum, Coccyx and Two hip bones |
| Hip bones | Illium, ischium, pubis |
| Function of pelvis | support weight of body, passes force to hip bone, receeives ground forces, transmits, pelvic viscera support,birth canal, muscle attachment |
| SI joint function | Synovial, nonaxial, plane joint no motion |
| Sacrum landmarks | Body, Sacral promonotory, Auricular surface, pelvice surface, coccyx |
| Sacrum landmarks cont'd | Superior articular process, Ala,Posterior foramina, Supers surface of S1 |
| Illium landmarks | Illiac crest, Illiac fossa, Illiac tuberosity,PSIS, auricular surface, IIS sacrotube lig attach |
| Ischium landmarks | ischial body, ischial spine, lesser sciatic notch, ischial tuberosity ramus, ischial ramus |
| Sacroiliac joint ligaments | anterior SI lig, interosseous SI lig, short post SI lig, long post SI lig, Sacrotuberous lig, Sacrospinous lig, and Illiolumbar lig |
| Sacrospinous ligment | converts the greater sciatic notch into a foramen |
| Lumbosacral joint structure and ligaments | composed of L5 an S1 - connected at the articular process by supraspinal lig; interspinal lig, and ligamentum flava, illiolumbar ligament and lumbosacral ligament |
| Lumbosacral angle | angle up if pelvis tilts anteriorly and down if pelvis tilts posteriorly |
| lumbar lordosis angle | increase lordosis increases LS angle. |
| lateral tilt | side that is unsupported is the point of reference |
| lateral tilt during walking | pelvis is level when both legs in contact wigh ground, during swing,pelvis drops to unsupported side |
| forward rotation of pelvis | unsupported side gets hip medial rotation |
| backward rotation of pelvis | unsupported side gets lateral rotation |
| pelvic control muscles | erector spinae pull up posteriorly, hip flexors pull down for anterior movement |
| pelvic control muscles | abs pull up anteriorly, glutes and hamstrings pull down for posteior movement |
| pelvic control muscles laterally | erector spinae and quadratus lumborum |
| What pelvic girdle motions occur in the sagittal plane around the frontal axis | anteriior/posterior pelvic tilt |
| pelvic girdle motion in frontal plane and saggital axis | lateral tilt |
| pelvic girdle motion in transverse plane and vertical axis | pelvic rotation |
| concentric contraction of the right quadratus lumborum would cause the pelvis to laterally tilt to which side | left side tilt |
| motion occurs at the lumbosacral joint when the pelvid tilts anteriorly and post and at what other distal joint | hip joints |
| what associated hip motion occurs when the pelvis tilts | hip flexion, hip extension, hip abduction on the unsupported side an hip adduction on the weight bearing side |
| what associated hip motion occurs when the left pelvis rotates forward | right hip medially rotates/left hip lateral rotates |
| what assocated hip motion occurs when the right pelvis rotates backward | right hip lateral rotation/left hip medial rotation |
| what associated lumbar motion occurs when the pelvis tilts anteriorly | lumbar hyperextention |
| what associated lumbar motion occurs when the pelvis tilts posteriorly | lumbar flexion |
| what associated lumbar motion occurs with lateral bending to opposite side | lateral bending to opposite side |
| person maintained a posture in which the pelvis were tilted excessively in an anterior position, what muscle groups woul tend to be tight | back extensors, hip flexors |
| lying supine, bring your right leg up to your chest | posterior pelvic tilt |
| kneeling on you hands and knees, let you trunk sag downward | anterior pelvic tilt |
| kneeling on your hands and knees, arch your back | posterior pelvic tilt |
| standing with you right foot on a telephon book and left foot on the floor with weight on both feed. identify hip postions | left hip addducted and right abducted |
| lying supine with knees flexed and sole on mat, hand in small of back,pushing back against hand, identify main trunk, pelvic and hip motions and what muscles | posterior pelvic tilt, trunk flexion, hip extention - muscles glute max and abs |
| Standing in anatomical position, lift your left foot off the ground, keeping you hip and knee extended - identify the main pelvic and hip motions occuring - what muscles contribute to this force couple action? | Motions: left lateral pelfic tilt; left hip adduction and right hip abduction. Muscles: right hip abductors (gluteus medius and minimus) and left quadratus lumborum |
Created by:
donald_dino