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 C...
Reviews
5.0
5 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!
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