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the quadriceps which are composed of the rectus femoris vastus lateralis vastus medialis and vastus intermedius.
Wiki User
∙ 11y ago
Wiki User
∙ 13y agoRectus Femoris
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Functions of triceps femoris muscle of frog?
extends leg; straightens knee joint
What straightens the leg at the knee?
quadriceps and biceps
Which muscles contracts when the leg is extended at the knee?
The muscle that contracts when the leg is extended at the knee is call the gastrocnemius muscle
What is patella femoral syndrome?
It is when your outer leg muscle is way to strong for the inner leg muscle so there is no support for the knee on the inside and the outer muscle is pushing the knee cap inwards. Hope that helps :)
What muscle straightens part of your body?
An extensor straightens part of your body.
Where are your quadricepts?
quadricepts are the muscle on the front of your leg above the knee. they are used in football, rugby etc
What muscle is in the leg that bends the knee and is made up of three muscles?
The only muscle of the leg that is made up of three muscles are the hamstrings.
Which muscle that will make the knee bend when it contracts. Which muscle that will make the leg straighten at the knee when it contracts. which of that two muscle is a lexor and an extensor?
The flexor would be the hamstring, and gastrocnemius, which bend/flex the knee. The quadriceps, are extensors, which straighten/extend the knee.
What is the smallest muscle in your leg?
The plantaris is the smallest muscle in the human leg. It is used to flex the knee joint and is absent in about 7 percent of the human population.
What muscle bends your knee?
The quadriceps muscle helps straighten and extend the leg and the hamstring helps bend the knee.
Why muscles must work in pairs?
Muscles can only exert force by getting shorter. Muscles work in pairs by one muscle pulling in one direction, the other muscle pulls in the opposite direction. One bends your leg, the other straightens the leg, etc.
What is the agonist muscle in hip flexion?
Rectus femoris+ anterior thigh; quadriceps+ extension of leg at knee Vastus lateralis+ lateral anterior thigh; quadriceps+ extension of leg at knee Vastus Medialis+ medial anterior thigh; quadriceps+ extension of leg at knee Vastus intermedius+ deep anterior thigh; quadriceps+ extension of leg at knee Sartorius (*) parallel strap-like muscle that crosses thigh flexion of knee forward Biceps femoris* posterior thigh; hamstring* flexion of leg at knee Semitendinosus* posterior thigh; hamstring* flexion of leg at knee Semimembranosus* posterior thigh; hamstring* flexion of leg at knee
