BARBELL

A Guide to Barbells

If you are a fitness professional fortunate enough to work in a facility with a variety of barbells you no doubt have discovered that they…

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BAD EXERCISEs

Are There Bad Exercises?

We’ve all heard it from someone before about various movements: “Ugh, that’ll wreck your shoulder!” or “That’s bad for your knees!” and maybe “Flexing your…

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bioenergetics

Bioenergetics: Aerobic versus Anaerobic Energy Production

While we are all familiar with aerobic activity, defined in the early 1970s by Dr. Kenneth Cooper as activity during which the cardiorespiratory system provides enough oxygen for muscular effort, most of us associate anaerobic activity with that very hard effort we do during intervals. The fact is that each non-sequential muscular effort, such as turning your head, entails some measure of energy production in the absence of oxygen, qualifying it as anaerobic.

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11982197 s

Walking or the Elliptical Machine?

Walking and using the elliptical machine are activities often employed as part of a general fitness program. While they are alike in many respects, it’s important…

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VASTUS MUSCLES

Understanding the Vastus Muscles

The quadriceps femoris muscles (quads) are the most voluminous muscles in the body— the quad muscles together contain more mass than any other muscle group—…

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