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The vastus lateralis (/ ˈ v æ s t ə s ˌ l æ t ə ˈ r eɪ l ɪ s, ˈ r æ-/), also called the vastus externus, [1] is the largest and most powerful part of the quadriceps femoris, a muscle in the thigh. Together with other muscles of the quadriceps group, it serves to extend the knee joint, moving the lower leg forward.
The vastus lateralis is the largest and most powerful of the three vasti muscles. It arises from the several areas of the femur, including the upper part of the intertrochanteric line; the lower, anterior borders of the greater trochanter, to the outer border of the gluteal tuberosity, and the upper half of the outer border of the linea aspera.
Green is the medial compartment (gracilis and adductor magnus), blue is the posterior (semimembrosus to biceps c. brevis) and red is the anterior (vastus lateralis to sartorius). The fascial compartments of thigh are the three fascial compartments that divide and contain the thigh muscles .
Thompson explains that the quadriceps are a muscle group located in the front of your thigh. Thompson says that the four quad muscles are: Rectus femoris. Vastus lateralis. Vastus medialis. Vastus ...
From the lateral lip and its upward prolongation, the vastus lateralis muscle takes origin. The adductor magnus muscle is inserted into the linea aspera, and to its lateral prolongation above, and its medial prolongation below. Between the vastus lateralis and the adductor magnus two muscles are attached: the gluteus maximus muscle inserted above,
The patella is a floating sesamoid bone held in place by the quadriceps muscle tendon and patellar tendon ligament. Exercises should strengthen quadriceps muscles such as rectus femoris, vastus intermedius, and vastus lateralis. However, tight and strong lateral quadriceps can be an underlying cause of patellar dislocation.
The others are the vastus lateralis, vastus intermedius and rectus femoris. [1] It is the most medial of the "vastus" group of muscles. The vastus medialis arises medially along the entire length of the femur , and attaches with the other muscles of the quadriceps in the quadriceps tendon .
[24] If the strength of the vastus medialis muscle is inadequate, the usually larger and stronger vastus lateralis muscle will pull sideways (laterally) on the kneecap. Strengthening the vastus medialis to prevent or counter the lateral force of the vastus lateralis is one way of relieving PFPS, however it is hard to isolate and strengthen only ...