Research Presentation to IOC, International Olympic Committee (pdf). FREE !
FREE ! ‘Mitigation of ACL Injury through 3-Mode Ski Bindings’ — by Rick Howell — an expanded version of Howell’s presentation to the International Olympic Committee (IOC), March 16-18, 2017 in Monte Carlo, Monaco. 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 forces that are associated with skiing ACL-injury enter the ski.
Then, the release limits of ordinary 2-mode alpine ski bindings and the release limits of the new 3-mode Howell SkiBindings — are tested relative-to the 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.
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: http://bjsm.bmj.com/content/51/4/332.1]
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 800 Venus — Loaded with ACL-Friendly features for women. DIN 2.5—9
Howell 880 Pro — ACL-friendly without pre-release. DIN 5—15
Howell 888 Max — CAUTION: EXTREME SKIERS & RACERS ONLY. DIN 8—20
See prices—including the $80 Reservation Deposit—in the on-line catalog.
FLAT-OUT SKIING CONFIDENCE.
It was inevitable.
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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.