TY - JOUR
T1 - Reliability and validity of pressure and temporal parameters recorded using a pressure-sensitive insole during running
AU - Mann, Robert
AU - Malisoux, Laurent
AU - Brunner, Roman
AU - Gette, Paul
AU - Urhausen, Axel
AU - Statham, Andrew
AU - Meijer, Kenneth
AU - Theisen, Daniel
N1 - Funding Information:
The present study was financially supported by the National Research Fund, Luxembourg (AFR Robert Mann: ref. 1102562). Thanks goes to Dr Marc Hoppenbrauwer of TNO, Eindhoven, The Netherlands for his technical support, the research team of the Physiology and Biomechanics of Locomotion Unit, Université Catholique de Louvain, Belgium for the use of their instrumented treadmill and to the study participants for their valuable contribution.
PY - 2014/1
Y1 - 2014/1
N2 - Running biomechanics has received increasing interest in recent literature on running-related injuries, calling for new, portable methods for large-scale measurements. Our aims were to define running strike pattern based on output of a new pressure-sensitive measurement device, the Runalyser, and to test its validity regarding temporal parameters describing running gait. Furthermore, reliability of the Runalyser measurements was evaluated, as well as its ability to discriminate different running styles. Thirty-one healthy participants (30.3±7.4 years, 1.78±0.10m and 74.1±12.1kg) were involved in the different study parts. Eleven participants were instructed to use a rearfoot (RFS), midfoot (MFS) and forefoot (FFS) strike pattern while running on a treadmill. Strike pattern was subsequently defined using a linear regression (R2=0.89) between foot strike angle, as determined by motion analysis (1000Hz), and strike index (SI, point of contact on the foot sole, as a percentage of foot sole length), as measured by the Runalyser. MFS was defined by the 95% confidence interval of the intercept (SI=43.9-49.1%). High agreement (overall mean difference 1.2%) was found between stance time, flight time, stride time and duty factor as determined by the Runalyser and a force-measuring treadmill (n=16 participants). Measurements of the two devices were highly correlated (R≥0.80) and not significantly different. Test-retest intra-class correlation coefficients for all parameters were ≥0.94 (n=14 participants). Significant differences (p<0.05) between FFS, RFS and habitual running were detected regarding SI, stance time and stride time (n=24 participants). The Runalyser is suitable for, and easily applicable in large-scale studies on running biomechanics.
AB - Running biomechanics has received increasing interest in recent literature on running-related injuries, calling for new, portable methods for large-scale measurements. Our aims were to define running strike pattern based on output of a new pressure-sensitive measurement device, the Runalyser, and to test its validity regarding temporal parameters describing running gait. Furthermore, reliability of the Runalyser measurements was evaluated, as well as its ability to discriminate different running styles. Thirty-one healthy participants (30.3±7.4 years, 1.78±0.10m and 74.1±12.1kg) were involved in the different study parts. Eleven participants were instructed to use a rearfoot (RFS), midfoot (MFS) and forefoot (FFS) strike pattern while running on a treadmill. Strike pattern was subsequently defined using a linear regression (R2=0.89) between foot strike angle, as determined by motion analysis (1000Hz), and strike index (SI, point of contact on the foot sole, as a percentage of foot sole length), as measured by the Runalyser. MFS was defined by the 95% confidence interval of the intercept (SI=43.9-49.1%). High agreement (overall mean difference 1.2%) was found between stance time, flight time, stride time and duty factor as determined by the Runalyser and a force-measuring treadmill (n=16 participants). Measurements of the two devices were highly correlated (R≥0.80) and not significantly different. Test-retest intra-class correlation coefficients for all parameters were ≥0.94 (n=14 participants). Significant differences (p<0.05) between FFS, RFS and habitual running were detected regarding SI, stance time and stride time (n=24 participants). The Runalyser is suitable for, and easily applicable in large-scale studies on running biomechanics.
KW - Biomechanics
KW - Foot strike pattern
KW - Strike index
UR - http://www.scopus.com/inward/record.url?scp=84888288687&partnerID=8YFLogxK
U2 - 10.1016/j.gaitpost.2013.08.026
DO - 10.1016/j.gaitpost.2013.08.026
M3 - Article
C2 - 24054346
AN - SCOPUS:84888288687
SN - 0966-6362
VL - 39
SP - 455
EP - 459
JO - Gait and Posture
JF - Gait and Posture
IS - 1
ER -