Tip of the Week: Unless you're training to be a bodybuilder, limit the number of isolation exercises you perform in favor of compound movements.

An isolation exercise is one in which you primarily use a single muscle group to lift a weight. For example, a strict barbell curl will employ your biceps muscles first and foremost, with a little assistance from your forearms. In contrast, an exercise like the squat incorporates muscle groups ranging from the front to the back of th ...

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