# @les7spellman on Instagram

- **Type:** Video
- **Original URL:** https://www.instagram.com/p/CagA-EKFMQs
- **Gondola URL:** https://gondola.cc/posts/13381406-les7spellman-instagram
- **Posted:** 2022-02-28T00:06:25.000+00:00
- **Account Owner:** Les Spellman (@les7spellman) — https://gondola.cc/les7spellman

## Caption

Fundamental skill of highly efficient runners is allowing the upper body to travel forward while the lower body retracts backward into the ground.

The inverse relationship is what maximizes propulsion. 

#speed #speedtips #speedhacks #40yarddash #40yddash #nflcombine 

To train like our NFL guys, head to universalspeedrating

## Stats

- **Views:** 0
- **Likes:** 2,021
- **Shares:** 0
- **Comments:** 6

## Tags

speed, nflcombine, 40yddash, speedtips, speedhacks, 40yarddash

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