In order to develop the muscles of the body evenly, it is important for all major muscle groups to be exercised. A weight-training program that only focuses on a select few areas of the body will neglect areas that are also important. To achieve optimal physical fitness, no single area of the body can be neglected for weight training.
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eustress ; moderate or normal psychological stress interpreted as being beneficial for the experiencer.
distress ; great pain, anxiety, or sorrow; acute physical or mental suffering;affliction; trouble.
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