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Acute effects of knee wraps/sleeve on kinetics, kinematics and muscle forces during the barbell back squat

  • Jonathan SinclairEmail author
  • James Mann
  • George Weston
  • Nikolaj Poulsen
  • Christopher James Edmundson
  • Ian Bentley
  • Mark Stone
Original Article
  • 30 Downloads

Abstract

Purpose

The aim of the current investigation was to comparatively examine the effects of knee wraps/sleeves on kinetics, three-dimensional kinematics and muscle forces during the barbell back squat.

Methods

Fifteen male lifters completed squats at 70% of their 1 repetition maximum, in four different conditions (nothing, competition knee wrap, training knee wrap and knee sleeve). Three-dimensional kinematics were measured using an eight-camera motion analysis system, ground reaction forces using a force platform and muscle forces using musculoskeletal modelling techniques. Differences between conditions were examined using one-way repeated measures ANOVA.

Results

The results showed that the integral of the quadriceps (nothing = 58.30, competition = 51.87 and training wrap = 53.33 N/kg s), hamstring (nothing = 39.01, competition = 35.61 and training wrap = 33.97 N/kg s), gluteus maximus (nothing = 24.29, competition = 22.22 and training wrap = 21.03 N/kg s), gastrocnemius (nothing = 7.25, competition = 5.97 and training wrap = 6.39 N/kg s) and soleus muscles (nothing = 15.49, competition = 12.75 and training wrap = 13.64 N/kg s) during the ascent phase was significantly greater in the nothing condition compared to both knee wraps. In addition, whilst knee wraps and knee sleeves significantly improved perceived knee stability, perceived comfort was significantly reduced in the knee wraps and improved in the knee sleeve.

Conclusions

Taking into account the reduced muscle kinetics, knee wraps may diminish lower extremity muscle development. Therefore, knee sleeves may be more efficacious for athletes who regularly utilise the back squat for their training goals, although further longitudinal analyses are required before this can be fully established.

Keywords

Biomechanics Knee wraps Squat Kinetics Kinematics 

Notes

Acknowledgements

The authors would like to thank Strength Shop Ltd, UK who donated the knee sleeves used in this investigation and also SBD Apparel Ltd, UK who provided the knee wraps utilised in this study. However, the results of this study do not constitute endorsement by the authors.

Compliance with ethical standards

Conflict of Interest

The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed were in accordance with the ethical standards of the institutional (STEMH ethical committee REF = 458) and with the 1964 Helsinki declaration.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Springer-Verlag Italia S.r.l., part of Springer Nature 2019

Authors and Affiliations

  1. 1.Centre for Applied Sport and Exercise Sciences, Faculty of Health and WellbeingUniversity of Central Lancashire, LancashirePrestonUK

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