Which of the following is not a strength training guideline?

a.) maintain core tension at all times
b.) deep stretch the muscles before lifting weights
c.) maintain proper posture, form, and technique
d.) use the full range of motion

The guidelines of a strength training would be:
Having deep stretch the muscles before lifting weights.
Maintaining proper posture, form, and technique.
Use the full range of motion.

The only guideline that is not part of the strength training would be A. maintaining core tension at all times.

Bis the answer hope i