【Pamela Reif】◆无跳跃&无深蹲◆15分钟低冲击膝盖友好臀腿训练

https://www.youtube.com/watch?v=p-uUnrCdhR8
15 MIN BOOTY WORKOUT, LOW IMPACT - knee friendly, no squats, no jumps / No Equipment I Pamela Reif