Effect of Weightlifting Shoes on Squat Posture and Trunk Lean: An Acute Biomechanics Study
Sato K, Fortenbaugh D, Hydock DS
Evidence is still limited and needs further study
Summary
A repeated-measures crossover study in 25 college students. Wearing weightlifting shoes reduced trunk lean compared with running shoes, suggesting lower lumbar shear stress, but did not increase squat depth. Only 60% 1RM was tested.
Key findings
- 1
With weightlifting shoes, foot angle increased by 3.5 degrees compared with running shoes
- 2
Trunk lean decreased by 22 mm, suggesting reduced lumbar shear stress from the more upright posture
- 3
However, thigh flexion (squat depth) did not increase
- 4
Only 60% 1RM was tested, so conditions were limited
Related research
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Journal of Electromyography and Kinesiology, 2016
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Squat Kinematics and Muscle Activation in Running (Cushioned) Shoes, Barefoot, and Weightlifting Shoes
European Journal of Sport Science, 2015
A study of 14 experienced men performing 70% 1RM squats with 3D motion capture and EMG. Cushioned running shoes increased squat depth, knee flexion and rectus femoris activity compared with barefoot. Participants subjectively preferred barefoot, but no biomechanical basis for that preference was found.
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