Influence of Different Load Conditions on Lower Extremity Biomechanics during the Lunge Squat in Novice Men

Lidong Gao, Zhenghui Lu, Minjun Liang*, Julien S. Baker, Yaodong Gu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: The lunge squat is one of the exercises to strengthen the lower limbs, however, there is little evidence of the effects of different equipment. The purpose of this study was to investigate the biomechanical effects of different types of equipment and loads on the lunge squat’s effect on the lower limbs. Methods: Fourteen male fitness novices participated in the experiment. Kinematics and kinetics in the sagittal plane using dumbbells, barbells, and weighted vests were measured using OpenSim. Two-way repeated measures ANOVA and one-dimensional statistical parametric mapping were used in the statistical analysis (SPM1D). Results: Range of motion (ROM) change in the knee joint was more obvious when using a barbell, whereas ROM when using a dumbbell was minimal. Compared to other joints, the joint moment at the hip joint was the largest and changed more significantly with increasing weight-bearing intensity, and the change was more pronounced with the dumbbell. For the center of pressure (COP) overall displacement, the dumbbell produced a smaller range of displacement. Conclusions: Dumbbells are suggested for male beginners to improve stability, barbells for the more experienced, and a low-weighted vest may be more appropriate for those with knee pain.

Original languageEnglish
Article number272
JournalBioengineering
Volume9
Issue number7
Early online date22 Jun 2022
DOIs
Publication statusPublished - Jul 2022

Scopus Subject Areas

  • Bioengineering

User-Defined Keywords

  • kinematic
  • kinetics
  • lunge squat
  • OpenSim
  • weight bearing

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