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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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12y ago

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What muscles act to flex the leg?

The primary muscles responsible for flexing the leg at the knee joint are the hamstrings (biceps femoris, semitendinosus, semimembranosus) and the gracilis. These muscles work together to bend the knee and bring the lower leg towards the thigh.


Where does your hamstring attach in relation to your leg muscles?

The hamstring attaches to the back of the thigh, above the knee, in relation to the leg muscles.


What exercises can I do to strengthen the leg muscles near the knee?

To strengthen the leg muscles near the knee, you can do exercises like squats, lunges, leg presses, and leg extensions. These exercises help to build strength in the quadriceps, hamstrings, and calf muscles, which support the knee joint. It's important to start with light weights and gradually increase as you build strength to avoid injury.


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 are the best exercises to strengthen both the leg and knee muscles?

The best exercises to strengthen both the leg and knee muscles are squats, lunges, leg presses, and leg extensions. These exercises help build strength in the quadriceps, hamstrings, and calf muscles, which support and stabilize the knee joint. It's important to start with light weights and gradually increase the resistance to avoid injury.


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.


Bending the knee joint to bring the lower-leg and upper-leg bones closer together?

This movement is called knee flexion. It is controlled by the hamstrings at the back of the thigh and the calf muscles. The knee joint flexes to allow the leg to bend and bring the lower leg towards the upper leg.


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.


What are the primary knee extension muscles and how do they contribute to the movement of the knee joint?

The primary knee extension muscles are the quadriceps muscles, which include the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. These muscles work together to straighten the knee joint by contracting and pulling on the patellar tendon, which in turn moves the lower leg forward and extends the knee.