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articulates with the acetabulum of the pelvis in the ball-in-socket hip joint. Distal to the hip, the shaft courses toward the knee. Just above the knee joint

superficial of the adductor muscles, and is innervated by the obturator nerve (L2-L4). Functionally, the gracilis muscle acts as a primary adductor and medial

rotation of the hip, flexion of the knee Synergists Antagonists Spinal innervation Peripheral Innervation Vasculature

The Lateral Hip Rotators Piriformis Muscle Type Origin 2, 3, 4 costotransverse bars of anterior sacrum, few fibers from superior border of greater sciatic

knee joint laterally rotates knee joint (when the knee is flexed) extends hip joint (long head only) external rotation of the thigh (long head only) L5

medially rotates knee joint (when the knee is flexed beyond 90 degrees), extends hip joint (less than biceps femoris) Synergists Antagonists Quadriceps Femoris

femoris and vastus muscles Insertion Tibial tuberosity Action Knee extension; Hip flexion (Rectus femoris only) Synergists Antagonists Spinal innervation L2

medially rotates knee joint (when the knee is flexed beyond 90 degrees), extends hip joint (less than biceps femoris) Synergists Quadriceps Femoris Antagonists

superior iliac spine Insertion Iliotibial tract (via greater trochanter) Action Hip - flexion, medial rotation, abduction, knee - lateral rotation, Torso - stabilization

rotates and stabilises the hip Synergists Antagonists Spinal innervation Peripheral Innervation Vasculature

Anterior hip and thigh muscles. Iliopsoas Muscle Type Feature Fusion of psoas major and iliacus muscles Origin Iliac fossa and lumbar spine Insertion Lesser

knee joint laterally rotates knee joint (when the knee is flexed) extends hip joint (long head only) external rotation of the thigh (long head only) Synergists

v t e Muscles of the Hip and Lower Limb Iliac region Iliopsoas psoas major/psoas minor iliacus Buttocks

v t e Muscles of the Hip and Lower Limb Iliac region Iliopsoas psoas major/psoas minor iliacus Buttocks

v t e Muscles of the Hip and Lower Limb Iliac region Iliopsoas psoas major/psoas minor iliacus Buttocks

surface of lesser trochanter of femur Action Stabiliser and flexor of the hip, lateral flexion of the trunk. Synergists Antagonists Gluteus Maximus Spinal

v t e Muscles of the Hip and Lower Limb Iliac region Iliopsoas psoas major/psoas minor iliacus Buttocks

innervation Skin of medial thigh Motor innervation Adductor Magnus (anterior half), Adductor Longus, Adductor Brevis, Gracilis, Obturator Externus

Soft tissue causes Hamstring sprain Hamstring Tendinopathy Adductor sprain Semimembranous or ischiogluteal bursitis Ischiofemoral impingement Referred

v t e Muscles of the Hip and Lower Limb Iliac region Iliopsoas psoas major/psoas minor iliacus Buttocks