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If you want to build muscle, focus the bulk of your efforts of your strength-training regimen.TestX Core UK Know your limitations, and don't stop short of exhausting them. On every set, work your muscles until exhaustion, meaning unable to do another rep. If needed, reduce the time you spend on your sets when you get tired.TestX Core UK After you workout, stretch to help your muscles recover better. People under the age of 40 should hold stretches for a minimum of 30 seconds.
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