Well, it depends on what part of the body you're talking about. Usually a minimum of around 2 or 3.
The muscles around the pivot joint are the Quadricep and the Hamstring muscles.
When a joint is bent, the muscles around that joint contract and shorten. This causes the joint to move, resulting in the bending or flexing of the joint. The specific muscles involved and the degree of contraction depend on the joint and the movement being performed.
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Atrophy
If the muscles around a joint are very large, the joint just can not fully move. It would be like wearing a tight band around the joint. The muscles just will get in the way.
receptors lying in joint and muscles
Core muscles are in your core joint muscles are in your arms and legs
Muscles that bend a joint are flexors; musces that straighten a joint are extensors.
Opposing muscles use connective tissues to cause movement in a joint.
Two joint muscles in the upper limb is the wrist and the elbow. Two joint muscles in the lower limb is the ankle and the knee.
Muscles contract and relax to move a joint. ... Muscles contract at a constant rate. Muscles contract and relax to move a joint.
Yes, that's true.False.