These 5 standing moves strengthen your back, improve posture, and build real-world stability after 45, no machines needed.

Isometric exercises are exercises that involve the contraction of muscles without any movement in the surrounding joints. Most muscle strengthening exercises involve moving the joints, using the ...

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Plyometric exercises are aerobic exercises that increase your speed, endurance, and strength. They require you to exert your muscles to their maximum potential in short periods of time. Also known as ...