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What is the definition of reciprocal inhibition?
  1. The concept of muscle inhibition caused by a tight agonist
  2. The relaxation of a muscle and the simultaneous contraction of its antagonist, allowing for movement
  3. The movement of joints in the body
  4. The neuromuscular phenomenon that happens when inappropriate muscles take over function of an inhibited prime mover
Explanation
Answer - B - Reciprocal inhibition is the relaxation of a muscle and the simultaneous contraction of its antagonist, allowing for movement. An example of this process is when doing a biceps curl, the triceps brachii (antagonist) relaxes and the biceps brachii contracts to allow movement, which in this case is elbow flexion. Reciprocal inhibition requires equally functioning agonists and antagonists without compensation
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