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The muscle that contracts when the leg is extended at the knee is call the gastrocnemius muscle
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∙ 11y ago
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What muscles contract and relax when you bend your leg?
When you Bend your Leg your hamstring contracts and your quadriceps relax
What muscles are used in leg raises?
The muscles used in the leg press exercise are your Quads primarily. Hamstring gets a good work out too.
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 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.
What does an extruded knee mean?
An extended knee means when your leg is straight. A hyperextended knee means when it is pushed back beyond straight which can result in injury.
What is the purpose of knee caps?
The patella (Knee cap) serves as a protector of the anterior surface of the knee. Also, the extensor muscles of the leg insert on the patella.
What does a leg muscle do if you have to lift it up?
The muscles in your leg work against eachother.One contracts and one relaxes to push and pull the bones.
Are the quadriceps involuntary or a voluntary?
The quadricepts (a group of four) are voluntary muscles that extend the leg at the knee.
What is knee hyperextension?
Knee hyper extension is when your knee extends more behind your than it's suppose ( a flamingo bending its leg is an example )without locking. This is caused by weak hamstring muscles and quadriceps muscles that hold the knee in place. Symptoms can vary and are related to those of knee tendinitis.
What is the size and shape of the hamstring muscles?
The hamstrings are comprised of three muscles on the back of the leg that run from the bottom rear of the pelvis to alongside the knee.
What muscles are used on a heel raise?
Gastrocnemius and Soleus with leg straight, to isolate gastrocnemius bend knee.
What muscles work together to straighten your leg?
The muscles used to straighten the leg are commonly known as the Quadriceps, a group of four muscles on the front of the thigh. This, however, is only the cast when the knee is isolated. If you were to stand up from a squatted position, you would also be using your gluteal muscles as well as your hamstrings to extend the thigh and stabilize the knee, while your quads and inner thigh muscles (the adductor) help to straighten the the knee. You would also be using your calf muscles to straighten the ankle.
