Lagging body parts usually need better targeting, not just more random sets. Smarter exercise selection, frequency, specialization, and progression can bring stubborn muscles back into the program.
Most training advice says to nudge adaptation. Triple split training takes the opposite approach: push frequency and recovery tactics hard enough to force progress without completely crashing the system.
Recovery can show up in small ways. This post uses a simple scratch-healing story to raise a bigger question about training readiness.