Huijuan Shi1, Hanjun Li1, Hui Liu2, Bing Yu3. 1. Biomechanics Laboratory, Division of Sport Biomechanics, School of Sport Science, Beijing Sport University, Beijing, China. 2. Institute of Sport and Health Science, Beijing Sport University, Beijing, China. Electronic address: liuhuibupe@163.com. 3. Center for Human Movement Science, Division of Physical Therapy, School of Medicine, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
Abstract
BACKGROUND: Repetitive loading with high impact forces are considered as a primary risk factor for overuse injuries. Cushion was proposed in running surface and shoe manufacturing to reduce impact forces and prevent injuries in running. RESEARCH QUESTION: To investigate the effects of treadmill cushion and running speed on plantar force and metabolic energy consumption in treadmill running. METHODS: Plantar force data and metabolic data were collected for 20 men during running at 8 km/h and 10 km/h on the treadmill with and without cushion. Two-way ANOVAs with repeated measures were performed to determine the treadmill effects and the speed effects. RESULTS: Participants significantly decreased peak plantar force on the fore foot at both 10 km/h (P = 0.001) and 8 km/h (P = 0.001) and peak plantar force on the mid foot only at 10 km/h (P = 0.011) while running on the treadmill with cushion compared to the treadmill without cushion. The reduction of peak plantar force at 10 km/h was greater than that at 8 km/h while running on the treadmill with cushion. Participants significantly increased metabolic energy consumption while running on the treadmill with cushion compared to the treadmill without cushion (P = 0.007). SIGNIFICANCE: Running on the treadmill with cushion significantly decreased plantar force on the fore foot and mid foot, and increased metabolic energy consumption. Running on the treadmill with cushion may be a useful method in the prevention of fore foot injuries and increasing exercise effects.
BACKGROUND: Repetitive loading with high impact forces are considered as a primary risk factor for overuse injuries. Cushion was proposed in running surface and shoe manufacturing to reduce impact forces and prevent injuries in running. RESEARCH QUESTION: To investigate the effects of treadmill cushion and running speed on plantar force and metabolic energy consumption in treadmill running. METHODS: Plantar force data and metabolic data were collected for 20 men during running at 8 km/h and 10 km/h on the treadmill with and without cushion. Two-way ANOVAs with repeated measures were performed to determine the treadmill effects and the speed effects. RESULTS:Participants significantly decreased peak plantar force on the fore foot at both 10 km/h (P = 0.001) and 8 km/h (P = 0.001) and peak plantar force on the mid foot only at 10 km/h (P = 0.011) while running on the treadmill with cushion compared to the treadmill without cushion. The reduction of peak plantar force at 10 km/h was greater than that at 8 km/h while running on the treadmill with cushion. Participants significantly increased metabolic energy consumption while running on the treadmill with cushion compared to the treadmill without cushion (P = 0.007). SIGNIFICANCE: Running on the treadmill with cushion significantly decreased plantar force on the fore foot and mid foot, and increased metabolic energy consumption. Running on the treadmill with cushion may be a useful method in the prevention of fore foot injuries and increasing exercise effects.
Authors: Bas Van Hooren; Joel T Fuller; Jonathan D Buckley; Jayme R Miller; Kerry Sewell; Guillaume Rao; Christian Barton; Chris Bishop; Richard W Willy Journal: Sports Med Date: 2020-04 Impact factor: 11.136
Authors: Enrique Colino; Jorge Garcia-Unanue; Bas Van Hooren; Leonor Gallardo; Kenneth Meijer; Alejandro Lucia; Jose Luis Felipe Journal: Sensors (Basel) Date: 2020-05-10 Impact factor: 3.576