Amuscle contraction that results in no movement of the body is referred to as a(n) contraction.

A muscle contraction that results in no movement of the body is referred to as an isotonic contraction. The isotonic contraction can be concentric and eccentric. Concentric contraction results in the muscle shortening, because the force the muscle is producing is greater than the resistance. Eccentric isotonic contraction on the other hand results in muscle lengthening because the resistance is being greater than the force the muscle is producing.

Ithink the answer is 1. warmth

Well, l think that some effective communication is, emotional barriers and lack of attention, interest distraction or irrelevance. also some physical disabilities such as hearing problems or speech difficulties.      l hope i am correct  and you good luck.