When a muscle is stretched by a contraction of the opposing muscles, it is called?

Darren was recently ticketed for speeding over 110 mph on the freeway. when the police officer stopped darren and asked him why he was going so fast, he replied that he was "king of the world." the month before this, darren felt sad and listless and had trouble getting up the energy to go to school. he probably suffers from:

The first muscles to develop in babies are those in the a. neck. b. trunk. c. arms. d. legs.

Which method will provide the most emotional support in a new exercise program