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What type of movement does the contraction of a Extensor produce?
The contraction of a flexor allows the arm or leg to bend
What kind of muscle not responsible for flexion or extension of the arm?
The supinator muscle is a muscle in the forearm that is not directly responsible for flexion or extension of the arm. Its primary function is to rotate the forearm in a movement called supination, where the palm faces up.
What joint actions occurring in a lateral raise during the concentric and eccentric phase?
To see eccentric contraction, look at the biceps curl with flexion around the elbow. As you lower a weight, you are working against resistance, letting the joint angle increase to lower that object under your control.The opposite is the concentric contraction were the arm is flexed upward to decrease the angle at the elbow.
What joins the lower arm and the upper arm?
The upper arm is the humerus, the lower arm is made up of the radius and ulna. The joint connecting the upper is called the humeroulnar joint.
What muscles help you move your lower arm?
The main muscles responsible for moving the lower arm are the biceps and triceps. The biceps are responsible for bending the arm at the elbow, while the triceps are responsible for straightening the arm at the elbow. Additionally, muscles in the forearm, such as the flexor and extensor muscles, help with fine movements of the lower arm and wrist.
