Abstract
Exercise training can improve lipid and lipoprotein concentrations and reduce the
risk of heart disease. Little information is available concerning aerobic dance training
and lipoprotein concentration changes in women. The purpose of this study was to compare
the effects of two different methods of step bench training on cardiorespiratory fitness,
body composition, and lipoprotein concentrations in college-aged females. Subjects
were assigned to one of three groups: a traditional continuous step (CS), an interval
step group (IS), or a non-exercise control group (C). The CS and the IS groups participated
in three 50-minute sessions for 12 weeks. The CS session included a warm-up, 30 -
35 min of continuous bench stepping, 10 - 15 min of calisthenic exercises, and a 5-min
cool-down. The IS sessions included a 5 - 7-min warm-up, 35 - 40 min of alternating
intervals of bench stepping and non-step aerobic dance, and a 5 - 7-min cool-down.
Target heart rates were maintained within 70 to 85 % of maximal heart rate. Results
showed increases in HDL-C concentrations in the IS group (p < 0.05). Decreases in
percent body fat were evident in both dance groups (p < 0.05) and cardiovascular fitness
increased in both groups (p < 0.01). No changes were evident in the control group.
In college-aged women, 12 weeks of IS or CS training improved cardiorespiratory fitness
and body composition. In addition, IS training appears to have a greater effect on
HDL-C concentrations than CS training.
Key words
Females - aerobic dance - HDL-C - interval - lipid
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P. E. Mosher
Department of Physical Education · The Sage Colleges
45 Ferry St
Troy, NY 12180
USA
Phone: + 5186294799
Fax: + 51 82 44 23 34
Email: mosher@sage.edu