Hip - Hip Ball and socket joint Muscles are grouped...

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Unformatted text preview: Hip Ball and socket joint Muscles are grouped anterior, medial, and posterior Actions Flexion/extension Abduction/adduction Medial rotation/lateral rotations Hip Joint and Femur Anterior Muscles Iliacus Psoas major Known as Iliopsoas because they insert together on the femur Tensor fascia latae Sartorius Rectus femoris Action - flexion Hip Joint and Femur Anterior Muscles Tensor Fascia Latae Lateral to gluteus muscles Origin Posterior to anterior superior iliac spine (ASIS) Insertion iliotibial band attaches below the knee into the lateral tibia Nerve superior gluteal Action hip flexion, abduction, and internal rotation; braces the knee Hip Joint and Femur Anterior Muscles Sartorius Origin ASIS Insertion Medial to the tibial tuberosity Nerve Femoral nerve Action - Flexion, abduction and external rotation of the hip; flexion and internal rotation of the knee Hip Joint and Femur Anterior Muscles Rectus Femoris Origin AIIS anterior inferior iliac spine and a line above the acetabulum Insertion Patella and tibial tuberosity Nerve Femoral nerve Action - Flexion, of the hip; extension of the knee RA: Pelvic tilt Hip Joint and Femur Medial Muscles Adductor magnus Gracilis Pectineus Adductor brevis Adductor longus Hip Joint and Femur; Medial Muscles - Adductor magnus Origin - pubis inferior ramus Insertion linea aspera of the femur Nerve obturator nerve Action anterior fibers - Hip flexion, adduction, and internal rotation; external rotation beyond 90 hip flexion Posterior fibers hip extension and external rotation Hip Joint and Femur Medial Muscles Gracilis Origin pubis - body Insertion tibia; crosses knee and inserts medial to the tibial tuberosity near the sartorius Crosses 2 joints so also acts on the knee Nerve obturator nerve Action Hip flexion and adduction; Knee flexion and internal rotation Hip Joint and Femur Medial Muscles - Pectineus Origin - pubis Insertion Below the lesser trochanter of the femur up to the linea aspera Nerve femoral nerve Action flexion, add uction, and internal rotation; external rotation beyond 90 hip flexion Hip Joint and Femur Medial Muscles - Adductor brevis Origin - pubis - inferior ramus Insertion linea aspera of the femur;...
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Hip - Hip Ball and socket joint Muscles are grouped...

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