Nutrition for Health, Fitness & Sport 10th Edition by Melvin Williams ,Dawn Anderson,Eric Rawson

تمرين 6

For the purpose of gaining weight, which type of resistance-training equipment is best according to research findings, provided equal amounts of resistance work are done on each?
A) isokinetic concentric machines
B) isometric devices
C) isotonic eccentric free weights
D) isotonic concentric free weights
E) no equipment is better than any other