Time-under-tension, or TUT, training can help you maintain and gain muscle as you age, improve form, and sustain joint health. You can achieve TUT by moving weight slowly or by simply holding at the peak contraction.

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Time Under Tension Training Plan

Extending the length of your sets may be the best way to build big muscles

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For older lifters and newbies, start by focusing on the lowering phase—this improves stability, strength, and motor control. For pulling moves, like the lat pulldown, pull the weight to your chest very slowly.