Fitwill
记录锻炼，追踪进度，增强力量。
用 Fitwill 实现更多：探索5000+带图片和视频的锻炼，获取内置及自定义训练计划，适合健身房和家庭锻炼，见证真实成果。
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Related Workouts
Core workout including floor crunches, hip raises, lying elbow to knee, and push-up to side plank. Sculpt and strengthen your abs, back, and obliques.
Gym | Single Workout | Beginner: 4 exercises