Academic journal article Research Quarterly for Exercise and Sport

Comparison of Females In-Line Skating and Walking with Added Weight

Academic journal article Research Quarterly for Exercise and Sport

Comparison of Females In-Line Skating and Walking with Added Weight

Article excerpt

Dale DeVoe, Colorado State University, and Victoria Sedlacek, Fairfax County Park Authority

The use of in-line skates for recreation and commuting by college students has increased in popularity over recent years. This investigation evaluated the heart rate (HR) and oxygen uptake ([VO.sub.2]) responses of eight women (age = 22 [+ or -] 2 years, height = 165.4 [+ or -] 5.0 cm, weight = 61.9 [+ or -] 6.2 kg, [VO.sub.2]max = 45.10 [+ or -] 3.98 ml.[kg.sup.-1].[min.sup.-1], HRmax = 189 [+ or -] 9 b.[min.sup.-1]) in-line skating and walking under three different weighted conditions on a paved asphalt trail. Testing order (walking 1.6 km and skating 4.5 km) and backpack weight (no backpack, backpack loaded with textbooks weighing 2.72 kg, and 5.44 kg) were randomly assigned. HR was measured every minute utilizing a Polar Vantage XL monitor, oxygen consumption ([VO.sub.2]) percentage of expired carbon dioxide (%[CO.sub.2]), percentage of expired oxygen (%[O.sub.2]), and ventilation (VE) were measured every 20 s using an Aerosport KB1-C portable metabolic analysis system. Across the investigated average vel ocity range for in-line skating of 17.3 to 18.6 km.[h.sup.-1] and walking of 6.2 to 6.6 km.[h. …

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