Supine leg press as an alternative to standing lunge in high-speed stereo radiography.

Autor: Hamilton LD; University of Denver, Denver, CO, USA. Electronic address: landon.hamilton@du.edu., Andreassen TE; University of Denver, Denver, CO, USA., Myers C; University of Denver, Denver, CO, USA; Ortho Haus, LLC, CO, USA., Shelburne KB; University of Denver, Denver, CO, USA., Clary C; University of Denver, Denver, CO, USA; Ortho Haus, LLC, CO, USA., Rullkoetter PJ; University of Denver, Denver, CO, USA; Ortho Haus, LLC, CO, USA.
Jazyk: angličtina
Zdroj: Journal of biomechanics [J Biomech] 2022 Jun; Vol. 138, pp. 111118. Date of Electronic Publication: 2022 May 06.
DOI: 10.1016/j.jbiomech.2022.111118
Abstrakt: The standing lunge is an activity commonly used to quantify in-vivo knee kinematics with fluoroscopy. The ability to perform the standing lunge varies between subjects and can necessitate movement accommodations to successfully complete the desired range of motion. We proposed a supine leg press as an alternative to the standing lunge that aimed to provide a similar evaluation of knee motion while increasing the measured range of motion. Tibiofemoral kinematics of 53 non-symptomatic adults (27 men, 26 women, 50.8 ± 7.0 yrs.) were calculated from the tracked high-speed stereo radiography (HSSR) images for supine leg press and standing lunge using CT-segmented bony geometries of the right lower limb. The supine leg press proved to be a useful alternative to the standing lunge while providing 46.2° greater range of motion in knee flexion. The difference in angle-matched kinematics across a 100° flexion range between the leg press and lunge was 0.70° in varus-valgus rotation, 1.5° in internal-external rotation, 1.0 mm in medial-lateral translation, 2.3 mm in anterior-posterior translation, and 0.46 mm in superior-inferior translation for men. The angle-matched difference for women across 100° was 0.58° in varus-valgus rotation, 2.4° internal-external rotation, 0.70 mm medial-lateral translation, 2.1 mm anterior-posterior translation, and 0.78 mm superior-inferior translation. The similar kinematics, while having a greater range of motion, and control of the applied load makes the supine leg press an alternative for quantifying in-vivo knee kinematics.
(Copyright © 2022 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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