How Eccentrics Make You Faster and More Explosive - Fascicle...

@Fred__Duncan
Fred Duncan@Fred__Duncan
70 views Sep 08, 2025 ~1 min read
1
How Eccentrics Make You Faster and More Explosive

- Fascicle Lengthening -> shifts where force can be produced, giving you greater strength at longer muscle lengths

- Tendon Remodeling -> improves the tendon’s ability to store and return elastic energy
2
- Better Eccentric RFD -> trains you to apply high levels of force in very short time frames

How it ties into performance

- Longer fascicles = hamstrings that hold up at high velocities

- Stiffer, better adapted tendons = shorter ground contacts

- Stronger eccentric rate
3
of force = more efficient braking and quicker reacceleration

- Enhanced stretch shortening cycle = higher jumps & more reactive explosiveness.

This is why eccentrics are essential for speed and explosiveness, they build the architecture that sprinting and jumping demand.
4
If you want the full breakdown on how to use methods like eccentrics, isometrics, plyometrics, it’s all inside Speed Kills, my complete system for building real speed.

fredduncantraining.com/product/speed-…
Actions
What You Can Do
  • Export as PDF or Markdown
  • Batch Export to Notion
  • Bookmark & Highlight
  • LinkedIn & Instagram Carousel Maker
Create Free Account

Includes 7-day Premium trial