To increase muscular strength the number of reputation should be?
A high
B light
C heavy
D low
increase muscular endurance the number of repetitions should be?
A high
B light
C heavy
D low
To increase muscular endurance the weight being lifted should be?
A high
B light
C heavy
D low
to increase muscular strength the weight being lifted should be?
A high
B light
C heavy
D low