Ch. 19 Hip and Pelvis
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Transcript of Ch. 19 Hip and Pelvis
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Ch. 19 Hip and Pelvis
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Explain the importance of the hip and pelvis as a support structure for the human body.
Describe the skeletal structure of the hip and pelvis.
List the primary muscles of the hip and pelvis.
Describe common injuries associated with the hip and pelvis.
Objectives
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Ball and socket joint
Head of femur fits into the acetabulum
Strongest joint in the body
Supported by muscles, ligaments, and tendons
Hip Anatomy
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Function of pelvis is to transmit weight from axial skeleton to legs
Attachment for many muscles of the leg Houses digest and urinary tracts Houses reproductive systems Important differences between males and
females
Pelvis
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Ilium: broad, flared bone of the upper and lateral pelvis
Iliac Crest: upper ridge of ilium Sacrum: part of the vertebral column between
lumbar vertebrae and coccyx; composed of five fused vertebrae
Ischium: bears body weight when sitting Obturator foramina: openings for blood vessels
and nerves Pubis: front of pelvis below the bladder Coccyx: 3-5 verebrae, tailbone
Pelvis
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Pelvis
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Male◦ narrower, heart-shaped
pelvic inlet◦ narrower sciatic notch◦ narrower angle where the
two pubic bones meet in front
Female◦ open, circular pelvic inlet◦ broader sciatic notch◦ wider angle where the two
pubic bones meet in front◦ more outwardly flared hip
bones
Males vs Females
Male on the left. Female on the right.Women’s are less dense and smaller, shorter, and wider.
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Hip flexion: iliopsoas, sartorius, pectineus, rectus femoris
Hip extension: Gluteus maximus, biceps femoris
Hip abduction: gluteus medius, gluteus minimus, abductor brevis,
Hip adduction: adductor magnus, adductor longus
Muscles
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Muscles
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With the leg to be stretched behind the other leg and rotated slightly outward, shift weight to the other leg. Posture is erect with hips thrust forward.
Kneel on a towel, then thrust forward with the hips, maintaining an erect posture.
Hip Flexor Stretch
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In standing or sitting position, grab ankle and bring leg into knee flexion. Keep torso and hip erect.
Quad Stretch
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Seated hamstring stretch
Seated hamstring stretch with other leg dangling
Standing hamstring stretch
Standing hamstring stretch on bar
Hamstring Stretch
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Supine hamstring stretch: grasp behind knee and bring knee to chest, slowly straighten out leg, point toes toward you
Hamstring Stretch
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In a seated position, pull the heels in as far as possible, then lean forward and push down on knees
Adductor Stretching
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In supine position, place heel of leg to be stretched on other knee. Bring knee to chest. Push knee of stretched leg away for a better stretch.
Piriformis Stretch