MUSCLE PHYSIOLOGY

Detailed explanation-1: -The neuromuscular junction (NMJ) is a synaptic connection between the terminal end of a motor nerve and a muscle (skeletal/ smooth/ cardiac). It is the site for the transmission of action potential from nerve to the muscle. It is also a site for many diseases and a site of action for many pharmacological drugs.

Detailed explanation-2: -Each motor neuron ending sits very close to a muscle fibre. Where they sit together is called a neuromuscular junction. The motor neurons release a chemical, which is picked up by the muscle fibre. This tells the muscle fibre to contract, which makes the muscles move.

Detailed explanation-3: -Another specialization of the skeletal muscle is the site where a motor neuron’s terminal meets the muscle fiber-called the neuromuscular junction (NMJ). This is where the muscle fiber first responds to signaling by the motor neuron.