![]() ![]() Insertion: Upper part of medial surface of the shaft of the tibia Gracillis: The gracilis is the most superficial muscle on the medial side of the thigh. Hamstring part: tibial part of the sciatic nerve Lower part of inferior ramus of the pubisĪdductor part: posterior division of obturator nerve Nerve supply: Anterior or posterior division of obturator nerveĪction:Adductor longus, adductor brevis and upper part of adductor magnus help in flexion of the thigh.Īdductor Magnus( hybrid muscle): The Adductor Magnus is a large triangular muscle, located on the medial side of the thigh. Outer surface of inferior ramus of the pubis The anterior surface of the body of the pubis It belongs to the adductor group of the thigh muscles. Nerve supply: Anterior division of obturator nerveĪdductor Brevis: The adductor brevis is located immediately deep to the pectineus and adductor longus. Origin: Body of the pubis in the angle between the pubic crest and the pubic symphysis The adductor longus forms the medial wall of the femoral triangle. One of the adductor muscles of the hip, innervated by the obturator nerve. Muscles of the Medial Compartment of ThighĪdductor Longus: The adductor longus muscle located in the thigh. Weakness of the extensor muscles induces Hyperextended Knee. Origin:Anterior and lateral surface of the shaft of the femur.Vastus Intermedius: The vastus intermedius originated from the front and lateral surfaces of the body of the femur in its upper two-thirds, lying under the rectus femoris and from the lower part of the lateral intermuscular septum. Insertion: Quadriceps tendon into patella, then via ligamentum patellae into tubercle of tibia.Origin: Lower part of the intertrochanteric line, the medial intermuscular septum and the aponeurosis of adductor Magnus.The vastus medialis is part of the quadriceps. Vastus Medialis: The vastus medialis is an extensor muscle found medially in the thigh that extends the knee. Insertion: Quadriceps tendon into patella, then via ligamentum patellae into tubercle of tiba. ![]() Origin:Upper part of intertrochanteric line.The vastus lateralis is the suggested site for intramuscular injection in babies less than 7 months old. The vastus lateralis arises from a series of flat, broad tendons attached to the femur, and attaches to the outer border of the patella. Vastus Lateralis: The vastus lateralis is the largest and most powerful part of the quadriceps, a muscle in the thigh. Insertion: Quadriceps tendon ( RF, vastus lateralis, vastus medialis, vastus intermedius) into patella, then via ligamentum patellae into tubercle of the tibia. ![]() Reflected head: Ilium above the acetabulum Straight head: Anterior inferior iliac spine The rectus femoris is situated in the middle of the front of the thigh. All four parts of the quadriceps muscle join the patella via the quadriceps tendon. Rectus Femoris: The rectus femoris is one of the four quadriceps muscles. The quadriceps is the great extensor muscle of the knee, forming a large fleshy muscle group covering the front and sides of the thigh. Quadriceps Femoris: The quadriceps femoris also called the quadriceps, quadriceps extensor, or quads is the large muscle group that includes the four muscles on the front of the thigh. ![]()
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