なわとびは“骨”と“筋肉”を強くする運動!

 

Jump Rope: A Powerful Exercise for Your Bones and Muscles!

Recent scientific studies have shown that jump rope is an extremely effective exercise for strengthening bones and muscles—for kids, adults, and seniors alike.

🦴 Evidence for Improving Bone Density

  • Research shows that adolescent girls who regularly perform jump rope have higher heel bone density compared to those who do not. (Ha & Ng, 2017)
  • Meta-analyses indicate that even in premenopausal women, jumping exercises can significantly increase femoral (hip) bone density. (Zhao et al., 2014)
  • Another study on young women found that doing just 10 maximum jumps, 3 times a week led to significant increases in femoral and lumbar spine bone density. (Kato et al., 2006)

Why Is Jump Rope Good for Your Bones?

Bones naturally become stronger when they experience impact. The landing impact from jump rope stimulates bone-building cells (osteoblasts), leading to higher bone density.

💪 Boosts Muscle Strength and Flexibility!

  • After-school jump rope programs have been shown to significantly improve strength and flexibility, especially with freestyle jump rope activities. (Yang et al., 2020)
  • In junior high school boys, just two 10-minute jump sessions per week resulted in increased muscle mass and reduced body fat. (Weeks & Beck, 2012)

👨🦳 Also Effective for Middle-Aged and Older Men

  • Clinical studies show that middle-aged men can increase lumbar and overall bone density by practicing jump exercises or resistance training 2–3 times a week. (Hinton et al., 2015)

Summary

  • Jump rope is highly recommended for bone, muscle, and overall fitness!
  • It’s a simple and fun exercise that anyone can start—kids, adults, and seniors.
  • Start with a comfortable amount and intensity, and increase gradually as you improve.
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