Muscle outlines from Body Muscles by Ivan Vulović, Apache 2.0 — regrouped and recoloured for Muscle Train.
Anchor band at chest height. Sit sideways on bench/ball, tall posture, both hands extended to band. Rotate torso away, pull band diagonally across to opposite hip (arms extended, soft elbows). Contract obliques. Inhale, reverse resisting pull to start. Neutral spine.
Start rotation from core. Eyes track hands. Straight arms throughout. Brace core tight. Always neutral spine. Exhale on chop/rotate; inhale return (core braced).
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