Sprains and strains are common fitness injuries. Which of the following could be considered a strain?
A) A twist to a muscle
B) A pull of a joint
C) A tear of tissue that connects bones
D) stretch of a ligament.

I think it's either a or c :///

Practice or pre-exercise theories of play pose the idea that a. play provides children with an opportunity to practice adult activities. b. play is necessary to reenergize human cognition. c. children have too much energy and play will rid them of that energy. d. children are the link between animals and human beings.