Examlex
Define µ null and µ real .
Physical Activity
Any bodily movement produced by skeletal muscles that requires energy expenditure, including activities undertaken while working, playing, or doing household chores.
Heart Disease
A broad term for conditions that affect the heart's structure and function.
Muscle Endurance
The ability of a muscle or group of muscles to repeatedly exert force against resistance for an extended period of time.
Muscle Strength
The maximum amount of force that a muscle can exert against some form of resistance in a single effort.
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