Kim Williams, a trainer in Dallas, demonstrated her boxing technique, part of a strength-training workout.
Kim Williams, a trainer in Dallas, demonstrated her boxing technique, part of a strength-training workout. MCT
Kim Williams, a trainer in Dallas, demonstrated her boxing technique, part of a strength-training workout. MCT

Health & Medicine

September 03, 2013 12:00 AM

Trimming down the workout time: How low can you go?

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