What is the function of the vastus medialis muscle?
The function of the vastus medialis is to work with the other muscles of the quadriceps to extend the leg at the knee. This action assists in squatting movements, bending backwards, walking up or down stairs, and moving from a sitting to standing position.
Why does Jim have a vastus medialis tear?
Jim’s physical therapist thinks that he has a minor vastus medialis tear. He has caused some damage to his muscle due to his cycling and spinning activities. If he continues to use the muscle, he’ll start to suffer from severe weakness and may even cause further damage.
How does riding a bike affect the vastus medialis?
This action assists in squatting movements, bending backwards, walking up or down stairs, and moving from a sitting to standing position. Any athletic exercise that involves walking or running will involve the vastus medialis. The constant flexion and extension of his vastus medialis while riding a bike has caused Jim to overwork his muscles.
What are the names of the three vastus muscles?
These three muscles are the vastus muscles. The fourth muscle is the rectus femoris. The three vastus muscles are the vastus lateralis, the vastus intermedius, and the vastus medialis. In this lesson we will look at each vastus muscle in greater detail.
What is the function of the vastus intermedius muscle?
This muscle also sits underneath the fourth quadriceps muscle, the rectus femoris. The vastus intermedius is different from the other two vastus muscles as it cannot be directly touched (or palpated in medical terminology) due to the fact that it lies underneath the rectus femoris. The function of this muscle is also knee flexion and hip extension.
Where is the vastus medialis located on the Shin?
The vastus envelopes the patella and inserts the patellar tendon on the front of your shin bone ( tibia ). The vastus medialis is innervated by the femoral nerve, which comes out from your lumbar spine at level two, three, and four. The femoral artery supplies blood to the vastus medialis.
Who is the rheumatologist for the vastus medialis?
Anita Chandrasekaran, MD, MPH, is board-certified in internal medicine and rheumatology and currently works as a rheumatologist at Hartford Healthcare Medical Group in Connecticut. The vastus medialis (vastus medialis oblique, or VMO) is one of the four quadriceps muscles in the front of your upper thigh.