A trainer says when all he has is a pair of dumbbells he uses this six-move workout to build evenly

When time or resources are against him, David Lloyd Clubs master trainer Jack Claxton turns to tri-sets.

This strength-building protocol involves performing three complementary exercises back-to-back.

It's an effective strategy to save time and boost muscle, which minimizes the amount of time you spend sitting around between exercises. You may like

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If you’re thinking about adding them to your own routine, Claxton suggests hitting your bigger muscle groups firs