The effect of running shoes on lower extremity joint torques
Five articles on PainSci cite Kerrigan 2009: 1. The Complete Guide to IT Band Syndrome 2. The Complete Guide to Patellofemoral Pain Syndrome 3. Complete Guide to Plantar Fasciitis 4. Shin Splints Treatment, The Complete Guide 5. Are Orthotics Worth It?
PainSci commentary on Kerrigan 2009: ?This page is one of thousands in the PainScience.com bibliography. It is not a general article: it is focused on a single scientific paper, and it may provide only just enough context for the summary to make sense. Links to other papers and more general information are provided wherever possible.
As measured in this study, wearing modern-day running shoes designed for stability caused “relatively greater pressures at anatomical sites that are typically more prone to knee osteoarthritis.” The authors acknowledge that it’s hard to know what to make of this, and there are many other potentially relevant variables.
~ Paul Ingraham
original abstract †Abstracts here may not perfectly match originals, for a variety of technical and practical reasons. Some abstacts are truncated for my purposes here, if they are particularly long-winded and unhelpful. I occasionally add clarifying notes. And I make some minor corrections.
OBJECTIVE: To determine the effect of modern-day running shoes on lower extremity joint torques during running.
DESIGN: Two-condition experimental comparison.
SETTING: A 3-dimensional motion analysis laboratory.
PARTICIPANTS: A total of 68 healthy young adult runners (37 women) who typically run in running shoes.
METHODS: All subjects ran barefoot and in the same type of stability running footwear at a controlled running speed. Three-dimensional motion capture data were collected in synchrony with ground reaction force data from an instrumented treadmill for each of the 2 conditions.
MAIN OUTCOME MEASUREMENTS: Peak 3-dimensional external joint torques at the hip, knee, and ankle as calculated through a full inverse dynamic model.
RESULTS: Increased joint torques at the hip, knee, and ankle were observed with running shoes compared with running barefoot. Disproportionately large increases were observed in the hip internal rotation torque and in the knee flexion and knee varus torques. An average 54% increase in the hip internal rotation torque, a 36% increase in knee flexion torque, and a 38% increase in knee varus torque were measured when running in running shoes compared with barefoot.
CONCLUSIONS: The findings at the knee suggest relatively greater pressures at anatomical sites that are typically more prone to knee osteoarthritis, the medial and patellofemoral compartments. It is important to note the limitations of these findings and of current 3-dimensional gait analysis in general, that only resultant joint torques were assessed. It is unknown to what extent actual joint contact forces could be affected by compliance that a shoe might provide, a potentially valuable design characteristic that may offset the observed increases in joint torques.
- “Lower limb joint kinetics in walking: the role of industry recommended footwear,” Keenan et al, Gait & Posture, 2011.
This page is part of the PainScience BIBLIOGRAPHY, which contains plain language summaries of thousands of scientific papers & others sources. It’s like a highly specialized blog. A few highlights:
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