By A Mystery Man Writer
LEGS and BACK, two of the largest muscles groups in your body paired together in this 30-Minute Legs and Back Workout! The powerful combination of strength training and cardio make this effective!
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When working out, should one perform all the exercises for one muscle group in a row, or should exercises be alternated with other muscle groups? - Quora
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The Muscle Groups You Should Train on the Same Day
The Muscle Groups You Should Train on the Same Day
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