The following definitions will be useful in understanding the studies dealing with hormonal responses to strength training.
Acute:
Short-term or immediate
Chronic:
Long-term
Insulin-Like Growth Factor I:
A protein hormone that increases the growth rate of the skeletal muscles during childhood and teenage years. In adults, it helps maintain muscle and bone size and promote healing of injuries and tissue repair.
Resting Metabolic Rate:
The number of calories (i.e., energy required) to sustain the body while at rest.
Three Repetition Maximum:
Maximum weight an individual can successfully lift three times.
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