Patent-pending design ensures unique performance and safety for athletes
Optimized for efficient energy transfer to improve athletic output
Strengthens the entire chain of muscles and structures involved in movement
Developed by experts in triphasic training and performance coaching
Versatile tool suitable for various strength and conditioning routines
Summarized by Shop
The Spring Ankle Device was designed to be the ideal tool for working on efficient energy transfer, Designed by Cal Dietz of Triphasic Training and Minnesota University. The Spring Ankle series was created by sport/speed performance coach Chris Karfist and aims to enhance the transfer of power from the body to the ground by strengthening
Color
Black
Pattern
Solid
Category
Suspension Handle
Patent Pending
Yes
Summarized by Shop
5.0
6 ratings
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Spring Ankle
Great tool to add to my weight room.
R
Richard · March 16, 2026
Great tool
The spring ankle is bullet proof and user friendly. We are following Cal Dietz’s programs and it’s great. The leg in the pic is 10!