Declining skill or fitness level from taking a break from excercise is formally referred to as ...
reversibility
Relative strength is the amount of strength to body size, or how strong you are for your size. Absolute strength is the maximum amount of force exerted, regardless of muscle or body size.
When they are older and showing signs of dementia, usually a family member responsible for care will enforce the time limits.
Two pounds or fewer per week is considered a healthy rate of weight loss
