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LSF Retrofit Handles For Sale

LSF Retrofit Handles For Sale

5 comments written by Joshua Trentine

We have two sets of Linear Spine Flexion Retrofit Handles for sale.

Only two pairs available – and they will not be made again.

These are $499 per pair (+ shipping).

Contact Josh Trentine if interested: 216-292-7569

The Linear Spine Flexion Retrofit Handles feature:

  • A slight angling forward from perpendicular which places the wrists in slight ulnar deviation. This assists in keeping the whole palm of the hand in contact with the handles throughout the entire range and in promoting greater trunk flexion.
  • A slight inward tilt from 90 degrees which places the hand approximately halfway between neutral and fully pronated. This places the hands, wrists, and arms in a more biomechanically correct position thus reducing the degree of humeral external rotation with straightened arms.

Both of these features are also present in our Ventral Torso and Overhead Press movement arm retrofits for the same reasons. The innate synergy patterns of these three movements share many similarities.


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{ 5 comments… read them below or add one }

avatar Travis Weigand March 5, 2014 at 11:23 am

I just wanted to briefly plug this retrofit. I’ve seen an improvement in each client’s ability to perform this exercise since we’ve installed these new handles. My own personal workouts have improved as well. The handles really enhance one’s ability to maximally congest the target musculature.


avatar Joshua Trentine March 5, 2014 at 12:00 pm

One pair – Sold!


avatar John Tatore March 8, 2014 at 1:43 pm

I see a load cell is attached to the machine. Does this machine have or received an end stop?


avatar Joshua Trentine March 10, 2014 at 9:52 pm



avatar 台灣大樂透 September 20, 2014 at 9:12 pm

Marvelous content, thank You !!


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