cartilage and calcified bone work together to help you move.
<span>Declining skill or fitness level from taking a break from exercise is formally referred to as D. reversibility.
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When you go for an extended period of time without using muscles, a process called <em>atrophy</em> will cause your muscles to shrink and weaken.
You could be dehydrated or be taking medication with side effects
<span>Most cases of cramps can be relieved by exercising the affected muscles</span>
C. Realistic. If your goals are not realistic, then they are un-achievable and you will not make it.