Laura has been lifting weights over the past couple months. She started by doing 10 repetitions and lifting 3-lb weights, and now she is able to do 20 repetitions using 7-lb weights. Laura has shown an increase in which of the following?

Question

Quizplus · Accepted Answer

Laura's ability to lift more weight and perform more repetitions suggests an increase in her muscular endurance, the ability of a muscle or group of muscles to repeatedly contract over an extended period of time. This is different from flexibility, cardiovascular activity, and aerobic activity, which involve other aspects of physical fitness such as range of motion, heart health, and oxygen consumption.

Laura Has Been Lifting Weights Over the Past Couple Months