Anatomy and Cell Biology 2221 Lecture Notes - Lecture 5: Internal Obturator Muscle, Linea Aspera, Pectineus Muscle
27 Feb 2017
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Skeleton of pelvis and free lower limb: hip bone, pelvic girdle, largest bone, femur, pelvic girdle, larger roughened portions called trochanters, sacrum. Joins left and right hip bones: patella, coccyx, pubic symphysis. Joins hip bones on anterior side: provides a little bit of movement, more flexible in pregnant women, pelvic brim, acetabulum, sacroiliac joint, sacral promontory. Pubis front part, where the bladder rests runs to reach posterior thigh [ilium] that cross the hip: ischial spine (behind, faces sacrum) is attachment for several muscles. Greater sciatic notch= where the sciatic nerve (largest nerve in the body) Lesser sciatic notch= where other nerves and vessels that serve perineum pass through [ishium] Female pelvis are wider, shallower, and lighter to support child birth. Diameter and shape of pelvic brim: females: oval, males: circle. Angle to pubis: females: greater, males: less than 90. Hip joint: females: faces more laterally, knock knee-ed (results in more problems)
