Biomechanical Load Quantification Using a Lower Extremity Inertial Sensor Setup During Football Specific Activities

Bram J C Bastiaansen, Riemer J K Vegter, E Wilmes, Cornelis J de Ruiter, Koen A P M Lemmink, Michel S Brink

Research output: Contribution to JournalArticleAcademicpeer-review


Training load monitoring systems in football do not focus on lower extremities and therefore potentially neglect important information to optimise performance or reduce injury risk. The current study aims to present joint and segment angular accelerations as novel indicators to quantify lower extremity biomechanical load measured by a new inertial sensor setup. Relationships were explored with commonly used whole-body training load indicators using principal component analysis (PCA). Sixteen male amateur football players performed a linear sprint and an agility T-test. An inertial sensor setup, and local position measurement system were used to collect training load data. Hip Load, Knee Load, Thigh Load and Shank Load were introduced to quantify lower extremity biomechanical load. Three principal components were identified for both tests, explaining 91% and 86% of the variance. The indicators for the lower extremities contributed to the second principal component for both tests and provide distinct information compared to whole-body load indicators. The results show the potential to use an inertial sensor setup combined with common monitoring systems to evaluate training load, which may help optimise future performance and reduce injury risk. These relationships should be further examined during other football specific activities such as shooting or jumping.

Original languageEnglish
Number of pages16
JournalSports Biomechanics
Publication statusE-pub ahead of print - 28 Mar 2022


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