Rajat Saini on Instagram: "Cross-trainer (Elliptical) • Low-impact on joints — gentler on knees/hips. • Works both upper & lower body. • Burns calories effectively with less stress. • Good for cardio + full-body workout. Treadmill • High-impact — more stress on joints. • Best closely simulates natural walking/running. • Great for building running stamina and speed. • Calorie burn can be higher if running. #homiearena #personaltrainer #gymmotivation"