Which description defines Strength?

• A. The ability to maximize the range of motion at a given joint
• B. The ability of a muscular unit, or combination of muscular units, to apply force; productive application of force
• C. The ability to minimize time cycle of a repeated movement
• D. The ability to control movement in a given direction or at a given intensity

Answer: (B)

Strength is the ability of muscles to generate and apply force. In practice, this means a muscular unit, or a group of units, can produce force and use it to overcome resistance or move a load. That direct capacity to generate and apply force is exactly what the description captures.

The other descriptions point to different attributes: range of motion concerns flexibility, not how much force the muscles can produce; reducing the time of a movement cycle reflects speed or rate rather than force production; and controlling movement direction or intensity relates to motor control or coordination more than raw force generation.