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Clinical Implications of Changing Parameters on an Elliptical Trainer
Yonatan Kaplan1, Meir Nyska2, Ezequiel Palmanovich2
1Physical Therapy and Sports Medicine Institute, Lerner Sports Center, Hebrew University of Jerusalem, Jerusalem, Israel.
Orthopaedic Journal of Sports Medicine
|November 5, 2015
Summary
Elliptical training significantly reduces foot weightbearing, especially on the hindfoot, making it a potentially safe early exercise option post-injury or surgery. This offers new weightbearing exercise possibilities for rehabilitation.
Area of Science:
- Biomechanics
- Orthopaedics
- Sports Medicine
Background:
- Weightbearing protocols are standard in orthopaedic care for injured limbs.
- Optimal weightbearing strategies for maximizing patient outcomes remain under investigation.
Purpose of the Study:
- To quantify average percentage body weight (APBW) and weightbearing distribution percentages (WBDP) on the foot during elliptical training.
- To assess these metrics across varying resistance and incline levels.
- To explore clinical implications for rehabilitation.
Main Methods:
- A descriptive laboratory study involving 30 healthy adults.
- Subjects underwent elliptical training with controlled changes in resistance and incline.
- The SmartStep weightbearing gait analysis system measured foot loading patterns.
Main Results:
- Average percentage body weight (APBW) on the entire foot ranged from 70-81%.
- Hindfoot weightbearing was consistently lower (27-57%) compared to the forefoot (42-70%).
- The forefoot experienced longer stance phases than the hindfoot.
Conclusions:
- Elliptical training demonstrably reduces overall foot, hindfoot, and forefoot weightbearing.
- Lower hindfoot weightbearing values were consistently observed.
- Clinicians can consider elliptical training for early weightbearing rehabilitation after lower limb injuries or surgeries.
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