Bill “Superfoot” Wallace

Flexibility For Kicking Tutorial – For Stiff People & Beginners (Kwonkicker)

Flexibility for Martial Arts Tutorial (Get High Kicks/Splits)

how to stretch for high kick! by ex-kickboxing world champ c.f. “西山誠人 – Wikipedia

how to train high kick! (sic) girl kick champ gracyer aki

10 min Front Splits Routine (10분 다리찢기 루틴)

SPLITS TUTORIAL: How To Get Your Splits REALLY Fast – At Home!

骨盤と肩甲骨の関連性“、”股関節の柔軟性と蹴り“,”Stretches for Hip Flexibility“も参照。