Int J Sports Med 2022; 43(03): 269-277
DOI: 10.1055/a-1255-2803
Orthopedics & Biomechanics

Influence of Footwear on Posture and Comfort in Elite Rugby Players

1   Racing 92 Rugby Club, Scientific & Medical Department, Le Plessis-Robinson
2   Aix-Marseille I University, IFSTTAR, LBA UMR T24, Marseille
,
Laurence Bellaïche
3   Imagerie Médicale Paris Centre, Imagerie du Sportif, Paris
,
Zbigniew Kuliberda
4   EtioSYSTEMS, Evaluation Sportive, Strasbourg Aix-Marseille I University, IFSTTAR, LBA UMR T24, Marseille
,
Michel Behr
2   Aix-Marseille I University, IFSTTAR, LBA UMR T24, Marseille
› Author Affiliations
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Abstract

Influence of footwear on posture in athletes is poorly documented despite its potential impact on biomechanics and injury risk. The aim of this study was to investigate effects of different footwear geometries on comfort and posture on a cohort of 48 elite rugby players. Spine posture was characterized by photogrammetry, while center of pressure was measured by means of a force platform. Three different footwear outsoles architectures (one rugby shoe with flat outsole, one rugby shoe with a 10 mm heel rise and foot arch support, and a running shoe with a 10mm heel rise and foot arch support) were compared to non-shod in randomized order. Then comfort felt at the level of foot and spine was also estimated by subjective questionnaires. Compared to the flat rugby model, both other models induced significantly (p<0.05) greater comfort at the level of foot and spine, a slight shift toward of center of pressure and a spinal posture closer to that observed when non-shod. The footwear geometry influences comfort and posture at the level of the foot as well as spine and should be considered in a dual purpose of injury prevention and performance.



Publication History

Received: 23 January 2020

Accepted: 19 August 2020

Article published online:
24 September 2021

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