A public dataset of overground walking kinetics in healthy individuals

Published: 17 August 2018| Version 1 | DOI: 10.17632/yrpbd8fhc4.1
Contributors:
Fabian Horst,
Markus Mildner,
Wolfgang I. Schöllhorn

Description

The dataset comprises raw kinetic data (both in .mat and .txt) of 128 healthy subjects (52 female, 76 male; M age: 23.8 years, SD 9.1; M body height: 1.76 m, SD 0.08; M body mass: 71.3 kg, SD 13.0; M body mass index: 22.9 kg/m², SD 2.8; M gait speed: 1.33 m/s, SD 0.13) during overground walking. All subjects met the inclusion criteria, which meant that during the study, they were free of lower extremity pain or injuries. In addition, before and during the study, they were free of any gait pathology. The .mat-file 'gait_grf_subject.mat' includes six 128x1 double variables containing one row value for each of the 128 subjects: subject_id [number] subject_gender [1 = "female" ; 0 ="male"] subject_age [years] subject_bodymass [kg] subject_bodysize [m] subject_shoesize [EU] The .mat-file 'gait_grf_rawdata.mat' includes two 1278x1 double variables containing one row value for each of the 1278 gait recordings: data_subject_id [number] data_gait_speed [m/s] and two 1278x1 cell variables containing 8x3000 double variables for each of the 1278 gait recordings: data_analog_fp1/pf2 containing 8x3000 double variables including the raw data in rows: 1. row: fx 1+2 [N] 2. row: fx 3+4 [N] 3. row: fy 1+4 [N] 4. row: fy 2+3 [N] 5. row: fz 1 [N] 6. row: fz 2 [N] 7. row: fz 3 [N] 8. row: fz 4 [N] When using (any part) of this dataset, please cite this dataset and the original article: Horst, F., Mildner, M., & Schöllhorn, W. I. (2018). A public dataset of overground walking kinetics in healthy individuals. Mendeley Data, v1. http://dx.doi.org/10.17632/yrpbd8fhc4.1 Horst, F., Mildner, M., & Schöllhorn, W. I. (2017). One-year persistence of individual gait patterns identified in a follow-up study – A call for individualised diagnose and therapy. Gait & Posture, 58, 476–480. http://doi.org/10.1016/j.gaitpost.2017.09.003 Please feel free to send us your technical questions, requests and bug reports by email: horst@uni-mainz.de

Files

Steps to reproduce

Three-dimensional ground reaction forces were recorded during a double step at a self-selected walking speed with barefoot subjects. Two force plates (60 x 40 cm; Kistler, Type 9287CA, Switzerland) measured the ground reaction forces at a frequency of 1000 Hz. The recording was managed by LabView 2010 (National Instruments, USA). For all trials, the subjects stepped with their right foot on the first force plate (FP1) and their left foot on the second force plate (FP2). The self-selected walking speed was controlled by two light barriers. The ground reaction forces were recorded for ten trials from each participant. In each trial the participants overall walking distance was approximately 10 m, separated into three sections: a 2.75 m run-up, a 4.50 m section in which the force plates collected the data and the walking speed was controlled, and a run-down section of 2.75 m. The first and final sections ensured a constant walking speed within the actual measurement section. The subjects performed test trials to familiarise themselves with the setup and to determine individual starting points for the walk across the force plates. Five test trials were performed to determine the starting point of the walk.