Why is expansion easier with numeric than with subject filing?(Obj.1) I need an answer ASAP, please

If you are having a hard time lifting something, you should arch your back. a. true b. false

Define physical activity. question 3 options: bodily movement produced by the contraction of muscles planned and structured exercise the ability to perform rigorous activity all the above

2. which of the following is an incorrect statement? the idealrehabilitation program isa. never changed once written.b. based on the patient's age, injury, and other factors.c. monitored periodically to remain effective.d. re-evaluated if new injuries occur.