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Howell ACL-Friendly Fixture™ (optional)

Howell ACL-Friendly Fixture™         $399.        
Available now.  Optional, though suggested.

     Howell ACL-Friendly Fixture is an optional bench-mounted fixture that allows functional inspection of Howell SkiBinding lateral heel release (1).  See all 3 photos.  This unique fixture solidly secures any adult-size ski-boot upside-down onto any work bench for testing the function of Howell-specified lateral heel release and retention.  This device tests for 'valgus-dominant' ACL-friendly & MCL-friendly skiing-function.

     Some ISO-5355 alpine ski-boots perform adversely with lateral heel release:  this fixture assists with the testing of the complete ski-boot-binding system for functional-compatibility during lateral heel release and lateral heel retention.  (All AT ski-boot soles with metal dimples are incompatible with Howell SkiBindings.)

     This fixture includes a 1-piece, integrally-welded 3/16 inch thick solid stainless steel frame and foot with separately-attached stainless-steel sailing hardware to rigidly-affix any adult alpine ski boot during lateral heel release testing.  Mounting bolts are included.  Detailed instructions for use are included.

     Used in combination with a properly-tethered ski — the ski is slowly-loaded by a gloved-hand, laterally, at specified points along the length of the ski to verify the Howell-specified 'Cross-Over Point' where lateral-toe release switches to lateral-heel release.  ((For example, for an average U.S. male weighing 169-pounds, the Cross-Over-Point is located (on the ski) ~60cm aft of the projected axis of the tibia.))  Tape measure is included.

     Lifetime limited warranty.

     This is a powerful tool for validation, calibration, and demonstration of ACL-friendly & MCL-friendly ski binding function.


   Anti-pre-release.  ACL-friendly.


Howell SkiBindings 
  It was inevitable.



(1)   For toe and heel release measurements, we recommend the newest version of the Vermont Release Calibrator that's available through Vermont Safety Research in Underhill, Vermont, USA.



Howell SkiBindings company is against (a) ski waist widths greater than 87mm  AND  (b) all 'pin-binding's' (except new Trab TR2) — due to (a.i) their association with a new type of skiing-injury:  severe, high-energy tibia-plateau fractures, severe tibial-tuberosity fractures, cumulative miniscus-damage, and MCL-rupture;  and (b.i) due to high-energy, spiral-tiba-fractures.  Both new types of skiing injuries are the fastest-growing categories of injuries in skiing — matching the growth of fat-skis and pin-bindings.  The high-energy nature of the new types of skiing fractures involve many multiple-fragments, difficult surgical reconstruction, and 10 to 15-months of aggressive rehabilitation.  Fat skis (on firm snow) and pin-bindings (in any snow) ((except the new Trab TR2)) — are a serious problem for the sustainability of our beautiful sport:  the ISO standards on pin-bindings are knowingly wrong:  they are about money;  political-engineering;  patent portfolios;  and must be immediately changed to reflect human-biomechanics, not just manufacturing-tolerances.  References:  (1) Dominik Heim, MD;  SITEMSH-Japan, 2016.  (2) Zorko; Nemec; Matjacic; Olensek;  Alpine Skiing Simulations Prove Ski Waist-Width Influences Knee Joint Kinematics; ISSS-Innsbruck, Austria, 2017.  (3) Stenroos; Pakarinen; Jalkanen; Mälkiä; Handolin;  Tibial Fractures in Alpine Skiing and Snowboarding in Finland: A Retrospective Study on Fracture Types and Injury Mechanisms in 363 patients;  Scand J Surg Off Organ Finn Surg Soc Scand Surg Soc., Sept 2015,  doi:10.1177/1457496915607410.  (4) Improved Short Term Outcomes in Tibial Plateau Fractures of Snow Sports Injuries Treated with Immediate Open Reduction Internal Fixation;  Janes, MD; Leonard, MSPH; Phillips, PA-C; Salottolo, MPH; Abbott, MD, Bar-Or, MD;  ISSS-Innsbruck, Austria, 2017.