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Vol. 52. Issue 195.
Pages 85-91 (July - September 2017)
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Vol. 52. Issue 195.
Pages 85-91 (July - September 2017)
Acute effects of barefoot running and running requirement on lower-limb kinematics in habitually shod endurance runners
Efectos agudos de la carrera sin zapatillas y sus requisitos en la cinemática de las extremidades inferiores en corredores resistentes habitualmente calzados
Marcos Muñoz Jimeneza, Felipe García-Pinillosa, Víctor M. Soto-Hermosob, Pedro A. Latorre-Romána
a Department of Didactics of Corporal Expression, Universidad de Jaén, Jaén, Spain
b Department of Sports Sciences, Universidad de Granada, Granada, Spain
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Tables (3)
Table 1. Demographic characteristics and training background of the participants.
Table 2. Temporal variables results at different paces in both barefoot and shod conditions.
Table 3. Kinematic variables results at different paces in both barefoot and shod conditions.
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Figures (1)

El objetivo de este estudio fue analizar las variables cinemáticas en la carrera sin zapatillas y utilizando zapatillas convencionales específicas para carrera, a nivel de velocidad confortable y exigente. Los participantes fueron 60 corredores recreativos sanos (edad, 35,6 ± 11,7 años, índice de masa corporal, 22,9 ± 2,4 kg/m2), quienes realizaron las pruebas descalzos sobre una cinta a velocidades confortable y exigente, seleccionadas por ellos mismos. Se utilizaron técnicas fotogramétricas (2D). En la carrera sin zapatillas, el tiempo de contacto fue menor (p < 0,001) a velocidad exigente, el tiempo de vuelo fue más corto a velocidades confortable (p < 0,05) y exigente (p < 0,05), y la frecuencia de la zancada fue superior en ambas velocidades (p < 0,001). Además, en la carrera sin zapatillas los corredores aterrizaron con una flexión de rodillas considerablemente superior (p < 0,05), menor dorsiflexión de tobillos (p < 0,001) y menor flexión de rodillas en el despegue, a velocidad exigente (p = 0,002) en la carrera con zapatillas. En conclusión, el presente estudio ha aportado una evidencia que sugiere que se producen cambios agudos en las variables temporales y cinemáticas en la carrera con/sin zapatillas a baja y alta velocidad, en los corredores que utilizan normalmente zapatillas. Se hallaron diferencias significativas en cuanto a sucesos espaciotemporales en carrera sin zapatillas, con una mayor flexión de rodillas y dorsiflexión de tobillos. Al aumentar la velocidad al correr descalzos, la duración de las variables de tiempo disminuyó considerablemente tanto en velocidad confortable como en exigente (p < 0,001). Debido a ello, el ciclo de zancada y de marcha fue considerablemente más rápido y, por tanto, se produjo una mayor frecuencia de zancada.

Palabras clave:
Corredores de larga distancia
Ángulos de articulación de las extremidades inferiores
Velocidad de carrera
Parámetros espaciotemporales

The aim of this study was to analyse kinematic variables when running barefoot and when wearing conventional running shoes at comfortable and demanding running speeds. Sixty healthy recreational male runners (age = 35.6 ± 11.7 years old, body mass index = 22.9 ± 2.4 kg/m2) performed trials in shod/barefoot running conditions on a treadmill at self-selected comfortable and demanding speeds. Photogrammetric techniques (2D) were employed. In barefoot conditions, contact time was shorter (p < 0.001) at demanding speed, flight time was shorter at comfortable (p < 0.05) and demanding (p < 0.05) speeds, and there was greater stride frequency at both speeds (p < 0.001). In addition, in barefoot conditions, runners landed with significantly greater knee flexion (p < 0.05); lower ankle dorsiflexion (p < 0.001); and lower knee flexion in take-off at demanding speed (p = 0.002) compared with shod conditions. In conclusion, the current study has provided evidence to suggest that acute changes occur in the temporal variables and kinematics between shod/barefoot conditions at low and high speeds in habitually shod runners. Significant differences were found in spatial–temporal events between shod/barefoot conditions, with shorter times in barefoot conditions with greater knee flexion and ankle dorsiflexion. When speed was increased in barefoot conditions, duration of timing variables decreased significantly both comfortable and demanding speed (p < 0.001). Because of this, stride and gait cycle was significantly faster and thus there was a higher stride frequency.

Long-distance runners
Lower-limb joint angles
Running speed
Spatial??temporal parameters


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