Muscle outlines from Body Muscles by Ivan Vulović, Apache 2.0 — regrouped and recoloured for Muscle Train.
Drive right knee explosively towards chest, aiming for parallel. Pump left arm forward. Lower right foot softly onto the ball, then switch to left knee. Alternate rapidly with light footfalls, maintaining a tight core and upright posture.
Drive your knees towards hip height Maintain a straight, upright torso Land softly on the balls of your feet Actively pump your arms in opposition to your legs Breathe rhythmically throughout the exercise
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