muscular endurance is defined as
Muscular endurance is the ability of a muscle or group of muscles to repeatedly exert force against resistance. Performing multiple repetitions of an exercise is a form of muscular endurance, as is running or swimming.If your muscles have to contract in a similar pattern more than one time you are using muscular endurance.he fibers in your muscles that fatigue can fail because of a lack of energy. Glycogen, or sugar, is required for both peak and sustained muscular effort. A diet low in carbohydrates can sometimes make it difficult to sustain muscular endurance.