Respuesta :
The correct answer is D - strength, the amount of work your muscles can do at any given time is D - your strength. If you would ask for how long they can sustain prolonged activation, you would be measuring and interested in endurance.
The strength is the part of physical fitness which is measured by the amount work your muscles can do at any given time. Correct answer: D
Muscle strength is measured during muscular contraction.The one-repetition maximum test (1RM) is the standard test used to measure muscle strength.