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Unformatted text preview: 12 thoracic vertebrae 5 lumbar vertebrae Thorax 12 ribs Movements Flexion – bending of the trunk forward, bringing the face towards the thighs Extension – return from flexion Lateral Flexion – (left or right) bending sideways Rotation – twisting of the trunk on its own axis Muscles Abdominal Muscle Group Origin – rectus abdominus – rest of the pubis Insertion – bilaterally, on the cartilages of the 5 th , 6 th and 7 th ribs Erector Spinae Muscle Group 8 muscles that originate and insert all the way up the vertebral column from sacrum and posterior crest of the ilium to the skull Hip Joint Bones Femur Ilium Ischium Pubis Movements Flexion – movement of the front of the thigh towards the chest Extension – the return from flexion – movement of the femur downwards and backwards Abduction – movement of the thigh away from the midline of the body, out towards the side of the body Adduction – return from abduction Inward Rotation – turning of the femur around its long axis so that it’s anterior aspect moves medially so that the...
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This note was uploaded on 08/05/2011 for the course KIN 142 taught by Professor Asmundson during the Spring '09 term at Simon Fraser.
- Spring '09