https://www.selleckchem.com/pr....oducts/pd-1-pd-l1-in
BACKGROUND A novel stair-climber called a pinnacle trainer (PT) provides both sagittal and frontal plane exercise, making it different from a step trainer (ST), which provides only sagittal plane exercise. Exercise with different trajectories may produce different biomechanical responses. There are currently no guidelines for choosing between a PT and a ST for different training or rehabilitation purposes. RESEARCH QUESTIONS Are there differences in the electromyographic patterns of lower extremity musculature and biomech
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