The purpose of this study was to assess metabolic and kinematic parameters (contact and flight time, step length and frequency) while walking at the preferred speed (1.44 +/- 0.22 m center dot s(-1)) and while performing an incremental running test (up to exhaustion) on a motorised treadmill (MT) and on a curved non-motorised treadmill (CNMT). Twenty-five volunteers (24.1 +/- 3.4 years; 64.7 +/- 11.2 kg) participated in the study. Maximal running speed on MT was significantly larger (P < 0.001) than on CNMT (4.31 +/- 0.50 vs. 3.75 +/- 0.39 m center dot s(-1)) but no differences in heart rate or oxygen uptake were observed at this speed. The energy cost of walking (C-w) and running (C-r) were significantly greater (P < 0.001) on CNMT than on MT (37 and 17%, respectively). No major differences in kinematic parameters were observed at paired, submaximal, running speeds (2.22-3.89 m center dot s(-1)) but was systematically larger in CNMT (of about 340 ml center dot min(-1) center dot kg(-1)). This systematic difference can be expressed in terms of a larger "equivalent speed" on CNMT (of about 0.42 m center dot s(-1)) and should be attributed to factors other than the kinematic ones, such as the belt characteristics (e.g. friction, type of surface and curvature).

Bruseghini, P., Tam, E., Monte, A., Capelli, C., Zamparo, P., Metabolic and kinematic responses while walking and running on a motorised and a curved non-motorised treadmill, <<JOURNAL OF SPORTS SCIENCES>>, 2019; 37 (4): 396-403. [doi:10.1080/02640414.2018.1504605] [http://hdl.handle.net/10807/214691]

Metabolic and kinematic responses while walking and running on a motorised and a curved non-motorised treadmill

Bruseghini, Paolo
;
2019

Abstract

The purpose of this study was to assess metabolic and kinematic parameters (contact and flight time, step length and frequency) while walking at the preferred speed (1.44 +/- 0.22 m center dot s(-1)) and while performing an incremental running test (up to exhaustion) on a motorised treadmill (MT) and on a curved non-motorised treadmill (CNMT). Twenty-five volunteers (24.1 +/- 3.4 years; 64.7 +/- 11.2 kg) participated in the study. Maximal running speed on MT was significantly larger (P < 0.001) than on CNMT (4.31 +/- 0.50 vs. 3.75 +/- 0.39 m center dot s(-1)) but no differences in heart rate or oxygen uptake were observed at this speed. The energy cost of walking (C-w) and running (C-r) were significantly greater (P < 0.001) on CNMT than on MT (37 and 17%, respectively). No major differences in kinematic parameters were observed at paired, submaximal, running speeds (2.22-3.89 m center dot s(-1)) but was systematically larger in CNMT (of about 340 ml center dot min(-1) center dot kg(-1)). This systematic difference can be expressed in terms of a larger "equivalent speed" on CNMT (of about 0.42 m center dot s(-1)) and should be attributed to factors other than the kinematic ones, such as the belt characteristics (e.g. friction, type of surface and curvature).
Inglese
Bruseghini, P., Tam, E., Monte, A., Capelli, C., Zamparo, P., Metabolic and kinematic responses while walking and running on a motorised and a curved non-motorised treadmill, <<JOURNAL OF SPORTS SCIENCES>>, 2019; 37 (4): 396-403. [doi:10.1080/02640414.2018.1504605] [http://hdl.handle.net/10807/214691]
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10807/214691
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