Muscular Strength/Muscular Endurance Study Guide Muscular strength the ability of the muscle to push or pull with their total force. Example: 5 push ups, 3 curl ups, and 7 shoulder taps Muscular endurance the ability of the muscle to perform over a long period of time without becoming tired. Example: Doing as many push up as you can, Doing as many curl ups as you can and doing as many wall sits as you can Frequency is how often you do an exercise. Intensity is how hard you do an exercise. Resistance is the force that acts against a muscle. Time is how long an exercise is performed.