Effect of overground vs treadmill running on plantar pressure: Influence of fatigue

被引:82
作者
Garcia-Perez, Jose A. [1 ]
Perez-Soriano, Pedro [1 ,2 ]
Llana, Salvador [1 ,2 ]
Martinez-Nova, Alfonso [3 ]
Sanchez-Zuriaga, Daniel [4 ]
机构
[1] Univ Valencia, GIBD Grp Invest Biomecan Aplicada Deporte, E-46003 Valencia, Spain
[2] Univ Valencia, Dept Phys Educ & Sports, Valencia 46010, Spain
[3] Univ Extremadura, Dept Nursing, Clin Podol Univ, Plasencia 10600, Caceres, Spain
[4] Univ Valencia, Fac Med, Dept Anat & Human Embryol, Valencia 46010, Spain
关键词
Treadmill; Running; Fatigue; Plantar pressure; Research methodology; SHOCK ATTENUATION; MUSCLE FATIGUE; KINEMATICS;
D O I
10.1016/j.gaitpost.2013.04.026
中图分类号
Q189 [神经科学];
学科分类号
071006 [神经生物学];
摘要
The differences produced when running on a treadmill vs overground may call into question the use and validity of the treadmill as a piece of equipment commonly used in research, training, and rehabilitation. The aim of the present study was to analyze under pre/post fatigue conditions the effect of treadmill vs overground on plantar pressures. Twenty-seven recreational runners (17 men and 10 women) ran on a treadmill and overground at two speeds: S-1 = 3.33 m/s and S-2 = 4.00 m/s, before and after a fatigue protocol consisting of a 30-min run at 85% of their individual maximal aerobic speed (MAS). Contact time (CT in seconds), peak pressure (PP in kPa), and relative load (RL in %) were analyzed under nine foot zones of the left foot using an in-shoe plantar pressure device. A two-way repeated measures ANOVA showed that running on a treadmill increases CT (7.70% S-1 and 9.91% S-2), modifies the pressure distribution and reduces PP (25.98% S-1 and 31.76% S-2), especially under the heel, medial metatarsals, and hallux, compared to running overground. Moreover, on both surfaces, fatigue (S-2) led to a reduced stride frequency (2.78%) and reduced PP on the lateral heel and hallux (15.96% and 16.35%, respectively), and (S-1) increased relative load on the medial arch (9.53%). There was no significant interaction between the two factors analyzed (surface and fatigue). Therefore, the aforementioned surface effect, which occurs independently of the fatigue state, should be taken into account when interpreting the results of studies that use the treadmill in their experimental protocols, and when prescribing physical exercise on a treadmill. (c) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码:929 / 933
页数:5
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