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"The Price of Speed: delving into the risks and silences of wearing carbon shoes, rehearsing every day."

"The Price of Speed: delving into the risks and silences of wearing carbon shoes, rehearsing every day."

While "carbon shoes" allow us to run faster and save more than 3-4% of our energy, "everyday" use is starting to raise warning signs from researchers around the world of new types of injuries that previous runners rarely experienced.

1.Mechanical change: When the body is "forced" to change posture

Research from Kettner et al. (2025) found that thick and soft soles (Maximalist) working with carbon plates (LBS - Longitudinal Bending Stiffness) will affect running as follows:

- Stiffening the Lever: Carbon pads make the shoes not bend naturally of the toes, resulting in more load being passed from the ankles up to the knees and hips.

- Ankle Instability: Excessive Stack Height (often exceeds 35-40 mm) increases the risk of ankle twisting (Peak Eversion Velocity), especially when running on uneven ground or running as muscles begin to fatigue.

2. Bone Stress Injuries (BSI)

The most worrying area in new research is finding bone fatigue in a more "dangerous" position:

- Navicular Stress Injury: Research by Tenforde et al. (2023) and a review in 2024 found an alarming correlation between the regular use of carbon shoes and injuries to the Navicular bone, a bone in the middle of the foot that has little blood and is very difficult to treat because the carbon plate squeezes the paw to bear repeated shocks in the same spot without the ability to distribute force mechanically.

- Metatarsal Loading: 3D Finite Element Replication Results by Sun et al. (2025) suggest that if the thickness and degree of the carbon plate do not fit the foot shape of the wearer, it causes a significantly higher buildup of stress Concentration on the 2nd and 3rd metatarsal bones.

3. Muscles that are "weakened" by the wrong type of use.

Research from Yang et al. (2025) indicates that wearing carbon shoes actually reduces the burden of calf muscles (Soleus) and hamstring, but this advantage is a "double-edged sword" if worn daily:

- Neuromuscular Laziness: When the calf and foot muscles do not have to exert their normal full work for a long time, a "lazy muscle" occurs, resulting in a decrease in the structural strength of the foot.

- The Fatigue Factor: A study in 2026 found that when a runner is tired, wearing carbon shoes will cause a spike in the shin impact because too soft foam starts to lose stability, making it harder for the body to control the posture.

Instructions to achieve speed without losing runner health. Use "Shoe Rotation" is recommended as follows:

1.Easy / Recovery Run (60-70%): Use Daily Trainer Shoes without Carbon Plate to keep your foot muscles healthy

2.Specific Workout (20-30%): Use carbon shoes on Tempo or Interval practice days to get the body used to high speed ejection force.

3.Strength Training: This is the most important thing if you really want to put carbon every day (which should not be anyway). You have to focus a lot on this to strengthen your muscles.

Carbon shoes are like a powerful race car. We shouldn't drive a race car to pay for the market every day, because besides being wasteful, its structure is not designed for the sustainability of everyday use.

# jayrunsth # Run # Running # Run # Running shoes

5/20 Edited to

... Read moreจากประสบการณ์ส่วนตัวที่ได้ลองใช้รองเท้าคาร์บอนสำหรับวิ่งซ้อมบ้างในบางโอกาส ผมพบว่าแม้ว่ารองเท้าคาร์บอนจะช่วยเพิ่มความเร็วและช่วยประหยัดพลังงานได้อย่างเห็นผล แต่การใส่ทุกวันกลับทำให้รู้สึกได้เลยว่ากล้ามเนื้อน่องและเท้าค่อยๆ อ่อนแรง แรงดีดและแรงกระแทกรู้สึกไม่เหมือนเดิมเหมือนร่างกายเริ่มชินกับรองเท้าชนิดนี้และทำงานน้อยลง จากการศึกษาวิจัยและประสบการณ์จริง เห็นได้ชัดว่าการใส่รองเท้าคาร์บอนมากเกินไปมีความเสี่ยงต่อการเกิดอาการบาดเจ็บ เช่น กระดูกนาวิคูลาร์และกล้ามเนื้อขี้เกียจ (Neuromuscular Laziness) ซึ่งอาจนำไปสู่ปัญหาการบาดเจ็บเรื้อรังและประสิทธิภาพวิ่งลดลงได้ สิ่งสำคัญในการใช้รองเท้าคาร์บอนคือการจัดสรรการใช้อย่างเหมาะสม โดยผมแนะนำให้ใช้รองเท้าคาร์บอนในวันที่ต้องการฝึกซ้อมความเร็วหรือแข่งขัน ส่วนวันที่ซ้อมแบบวิ่งช้าเพื่อฟื้นฟูกล้ามเนื้อ ควรเลือกใส่รองเท้าแบบ Daily Trainer ที่ช่วยเสริมสร้างกล้ามเนื้อเท้าและรักษาสภาพร่างกายให้แข็งแรง ผลที่ได้คือช่วยป้องกันไม่ให้กล้ามเนื้ออ่อนแรงและลดความเสี่ยงการบาดเจ็บได้อย่างมีประสิทธิภาพ อีกหนึ่งเคล็ดลับคือการฝึกความแข็งแรงกล้ามเนื้อ (Strength Training) พร้อมกับใช้รองเท้าคาร์บอน เพื่อช่วยสนับสนุนระบบกล้ามเนื้อและกระดูกให้ทำงานได้ดีขึ้นและรับมือแรงกระแทกได้ดีขึ้น ซึ่งอย่าลืมว่ารองเท้าคาร์บอนเปรียบเสมือนรถแข่งที่ทรงพลัง ควรใช้ในเวลาที่เหมาะสมเพื่อหลีกเลี่ยงปัญหาสุขภาพที่ตามมา สุดท้ายนี้ การฟังร่างกายตัวเองเป็นสิ่งสำคัญ หากรู้สึกเจ็บหรือไม่สบายควรลดการใช้รองเท้าคาร์บอนลง และตรวจสอบสภาพรองเท้าอย่างสม่ำเสมอ เพื่อให้การวิ่งของเรายังคงสนุกและปลอดภัยไปนานๆ

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