HORMONAL RESPONSES

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Strength Training Increases Resting Metabolic Rate And Norepinephrine Levels In Healthy 50 To 65 Year Old Men

Acute And Chronic Anabolic Hormonal Responses To Resistive Exercise In Older Men

Testosterone, Growth Hormone And IGF-I Responses To Acute And Chronic Resistive Exercise In Men Aged 55-70 Years

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.