KIN 324K LAB LECTURE 7

KIN 324K LAB LECTURE 7 - Applied Human Anatomy Lab Lab...

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Applied Human Anatomy Lab Lab Lecture VII: Pelvis, Femur, & Knee
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General Information Lab Time: Tues. 1-4 PM, BEL 404 Fri. 1-4 PM, BEL 404 Attendance is mandatory; 3 absences will results in an F Excused absences require official reason, advanced notice Office Hours: 10-noon, M-F; BEL 966
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Upper Leg Limb
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Pelvic Girdle Consists of two hip bones that join at the interpubic joint Unites with its partner anteriorly, with sacrum posteriorly Pelvis : bowl created by two hip bones Hip bone : Os coxae or coxal bone; composed of 3 parts
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Hip Bone (Os Coxae) Ilium : broad "wings" largest area of hip bones; consists of 2 large broad plates, one on each side Illiac crest : upper edge of ilium Ischium : top half of the lower "loops" 2 broad curves of bone, one on each side, below the ilium Place of attachment for muscles Pubis : lower half of the "loops" front of hip bones; attaches to ilium on sides, ischium on bottom Provides structural support, serves as place of attachment for muscles of inner thigh
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Pelvic Girdle cntd. Sacrum : curved triangular bone at base of spine; consisting of 5 fused vertebrae Articulates with the last lumbar vertebra, ilium on the sides Coccyx : tailbone; 4 separate but fused vertebrae at the base of spine Symphysis pubica : where both pubis bones join together at front of pelvis Acetabulum : Deep hemispherical socket, receives head of femur at this hip joint Point of fusion of the ilium, ischium, & pubis in lateral surface of pelvis
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Pelvic Girdle Characteristics Symmetrical Hip bone composed of 3 separate bones during childhood In adults, these bones are firmly fused Secured to axial skeleton by some of the strongest ligaments in body Sockets are deep, cuplike, firmly secure head of femur in place Lacks mobility of pectoral girdle, but far more stable Female pelvis is rounder & wider in all dimensions to accommodate developing fetus
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Pelvic Cavity Pelvic cavity : caudal (towards the tail) extension of abdominal cavity into bony pelvis Contains rectum, bladder & reproductive organs. Bony pelvis : deep, basin-like structure formed by hip bones, together with the sacrum and coccyx Pelvic inlet : bounded dorsally by sacrum, laterally by cranial edge of ilium, ventrally by cranial border of pubis (pelvic brim) False pelvis: portion superior to pelvic brim True pelvis: portion inferior to pelvic brim Pelvic outlet: the inferior margin of the true pelvis; bounded anteriorly by pubic arch, laterally by ischia, and posteriorly by the sacrum and coccyx
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Hip Joint Joint between femur & acetabulum Primary function is to support weight of body in both static (standing) and dynamic (walking or running) postures Multi-axial ball & socket synovial joint formed by articulation of rounded head of femur & cuplike acetabulum of pelvis Can produce movement in more than one axis (7) Circumduction
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Hip Joint cntd. Depth of acetabulum is increased by a
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This note was uploaded on 04/12/2009 for the course KIN 75275 taught by Professor Farra during the Summer '08 term at University of Texas.

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KIN 324K LAB LECTURE 7 - Applied Human Anatomy Lab Lab...

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