Peak patellar tendon force progressions during heavy load single-leg squats on level ground and decline board

蹲下 地面反作用力 髌腱 医学 肌腱 生物力学 运动学 肌腱病 物理医学与康复 口腔正畸科 解剖 物理 经典力学
作者
Michiel Hagen,Joanna Chebly,Bram Dhaen,Noah Fassian,Matteo Salvalaggio,Danilo S. Catelli,Sabine Verschueren,Jos Vanrenterghem
出处
期刊:Clinical Biomechanics [Elsevier BV]
卷期号:112: 106179-106179
标识
DOI:10.1016/j.clinbiomech.2024.106179
摘要

Progressive tendon loading programs for patellar tendinopathy typically include single-leg squats with heavy weights either on level ground or on a decline board. Changes in patellar tendon force due to variations of the heavy load single-leg squat have not yet been objectively quantified. The objective of this study was to investigate the influence of the mass of an external weight and the use of a decline board on the peak patellar tendon force during a heavy load single-leg squat.Twelve healthy participants performed single-leg back squats on a decline board and level ground at 70%, 80% and 90% of their one repetition maximum. Three-dimensional kinematics and ground reaction forces were measured and the peak patellar tendon force was calculated using musculoskeletal modelling. A two-way repeated measures ANOVA determined the main effects for the mass of the external weights and the use of a decline board as well as their interaction effect.Peak patellar tendon forces were significantly higher on the decline board compared to level ground (p < 0.05). Neither on the decline board, nor on level ground did the peak patellar tendon force increase significantly when increasing the external weights (p > 0.05).Progression in peak patellar tendon forces during a heavy load single-leg squat can only be obtained with a decline board. Increasing the mass of the external weight from 70% to 90% of the one repetition maximum does not result in a progressively higher peak patellar tendon force.
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