lower pectoralis major

Seal push-up

Cross-arm push-up

Decline front plank

Straight-back seated cable row with straight bar

Chest-supported underhand-grip T-bar row

Reverse-grip dumbbell bench press

High front plank with arm raise

Barbell rollout from bench

High one-leg side plank

High side plank

Iron cross plank

Triceps dip using assisted pull-up machine