Plyometrics is an isometric exercise technique.
a. true
b. false

False. Plyometrics is not an isometric exercise or a type of isometric contractions. Isometric contractions refer to a type of strength training where the joint angle and muscle length do not change during contraction. Plyometric exercises involve active contractions of muscles and joints done in an explosive manner, usually through jumping. People who engage in this type of exercise should already be advanced in their training programs as the demands of the exercises are high. It is usually performed at a fast pace and involves equipment with varying heights.

What are the options?

Answer(d) they all send signals from the brain to the body through long axons in the vertebral column;