The Best 5 Day Muscle Building Split I've Found
28 Aug 2026 · 1 min

0:58
Mark Ottobre breaks down a 5-day muscle-building split with specific exercises for each day. Primary lifts get 4-5 sets of 6-8 reps, supplementary work 3 sets of 8-12 reps. Day 1 hits quads with squats and leg extensions, Day 2 upper chest and back, Day 4 arms, Day 5 posterior chain, Day 6 shoulders and back, with rest days built in.










