A workout split is a structured plan that divides your training sessions across different muscle groups or types of exercises ...

These dumbbell at-home workouts give you total-body and body-part-specific routines to perform in a 5-day split. "With these ... Challenge accepted? This workout is done in giant sets (a group ...

The problem is, split plans lose effectiveness if you don't have five or six days to work ... you can dedicate at least 45 minutes each day to your workout -- working your arms for 20 minutes ...