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Presentation to IOC validating ACL-friendly skiing (pdf). FREE !

Presentation to IOC validating ACL-friendly skiing (pdf). FREE !


FREE !  ‘Mitigation of ACL Injury through 3-Mode Ski Bindings’ — by Rick Howell — an expanded version of Rick Howell’s presentation to the International Olympic Committee (IOC), March, 2017 in Monte Carlo.  Available now.  65 slide PDF-presentation provides peer-reviewed, scientific, biomechanical validation behind how Howell SkiBindings provide ACL-friendly skiing. 

    First, the integrity-limits of the ACL are derived as a function of where the primary ACL injury-loads enter the ski

    Then, the release limits — of ordinary 2-mode alpine ski bindings compared with the new 3-mode Howell SkiBindings — are tested relative to ACL integrity-limits. 

   Please note that testing AT-binding release-function relative to ACL-integrity is a separate report that is not included with this presentation. 

   Also note that certain research studies that have reported on-slope electronic measurement of ski bindings relative to ACL-integrity — do so by incorrectly applying ‘vector-transposition’ to analyze the lateral bending moment at the bottom (distal) end of the lower-leg, not across the knee.  These researchers confuse edging-moments with abduction-moments:  that research is invalid, irrespectively of their 'professional' credentials:  they are so-called 'expert' witnesses for other, ordinary, 2-mode ski binding companies — adding further compromised-bias.

    The abstract that accompanies this PDF presentation — Mitigation of ACL Rupture in Alpine Skiing through Ski Bindings — can be found on-line in the British Journal of Sports Medicine, 2017;51:283-412  [or:]

   Delivery of the free, expanded-presentation is by email.  Include your email address in your order.  Your email address will remain confidential within the Howell SkiBindings enterprise.


To Order by Reservation-Deposit, now:

Howell 2.5-9 Anti-ACL-rupture ski-bindings.  Extra female friendly, extra ACL-friendly.  DIN 2.5—9

Howell 5-15 Anti-ACL-rupture ski-bindings — Decisive command of ACL-friendliness, anti-pre-release and powerful edge-control.  DIN 5—15

Howell 8-20 Anti-ACL-rupture ski-bindings — Titanium housings.  CAUTION:  EXTREME SKIERS & RACERS ONLY.   DIN 8—20

See prices—including $80 Deposit—in on-line catalog.



   Anti-pre-release.  ACL-friendly.

           Howell SkiBindings

              It was inevitable.



PO Box 1274    •   Stowe, Vermont 05672  USA
1.802.793.4849  •  •



Copyright © 2019 by Rick Howell and Howell SkiBindings.  All rights reserved.


Howell SkiBindings is against (a) ski waist widths greater than 100mm  AND  (b) all 'pin-binding's' (except new Trab TR2) — due to their association with a new type of skiing-injury:  severe, high-energy tibia-plateau and tibial-tuberosity 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 multiple-fragments, difficult surgical reconstruction, and 10 to 15-months of aggressive rehabilitation.  Fat skis on firm snow are a serious problem for the sustainability of our beautiful sport.   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.