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KMID : 1023920090110020009
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Journal of the Korean Academy of Kinesiology
2009 Volume.11 No. 2 p.9 ~ p.17
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Physiological Responses according to Walking with Nordic Poles or Hand Weights on Treadmill
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Lee Hyung-Kook
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Abstract
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The purpose of this study was to measure physiological variables (HR: heart rate, EE: energy expenditure, FM: body fat mass, MM: muscle mass) among walking types on treadmill for investigating the difference of walking with or without hand weights. Seven healthy men (age: 23.5±0.79) volunteered for this experiment. Each of them performed 4-types walking (dumbbell, nordic, power, and general walking) at speed of 3-5km/h warm up, 6km/h slow walking, 7km/h fast walking, and 5-3km/h cooling down for 40 minutes on a treadmill. HR and EE data were measured by using heart checker (POLOR 810i) at slow and fast walking and FM and MM were measured by body fat inpidence system (INBODY 3.0) at rest and after walking during 40 min exercise. The statistical analysis was one-way ANOVA with repeated measures to compare effects among walking tapes with something weight in hand during exercise time. At slow walking, it was found that walking with 3-pound hand weight way resulted in and average of the highest score (HR:127.8±8.27bpm, EE:85.4±14.51 kcal/min respectively) responses compared to general walking way (104±8.2bpm, and 70.4±10.99kcal/min respectively). Nordic walking way (121.4±11.74bpm, 77.0±16.83kcal/min respectively) was second, power walking way(118.5±9.98bpm, 68.7±20.62kcal/min respectively) was next. At fast walking, there are same trend. Especially, At the end of 40min aerobic walking exercise, it was found that walking with 3-pound hand weight way resulted in and average of the highest score responses compared to general walking way. THR represented a significant difference(t=2.792 p=0.016 p<.05). In other hand, FM decreasing and MM increasing change after 40 min walking exercise were founded. Dumbbell walking type (FM:-1.03kg MM:0.66kg) was first, and nordic, power was next. It was that the increasing of MM, and decreasing of FM were meaned the more exercise was performed. Finally, These results can be interpreted that the ways with hand weight(dumbbell, or nordic pole walking) during walking exercise can be more effect than general walking.
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KEYWORD
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dumbbell walking, nordic walking, power walking, general walking, heart rate, energy expenditure
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