Abstract
Summary Objectives Exercise plays an important role in maximizing and subsequent reduction of the maximum rates of bone loss. The purpose of this study was to determine whether 16 weeks of combined exercise in postmenopausal would affect bone metabolism. Equipment and methods Eleven participants (53.1 [±4.0] years) performed combined training that consisted of 60–75% of 1 RM, 2–3 sets of 10–15 repetitions in specific machines and 20–30 min of cardiovascular exercises using an step platform (55–80% FCreserve). Cross-linked N-terminal telopeptides of type I collagen (NTX) was used to analyze bone resorption and serum alkaline phos-phatase (ALP) to analyze bone absorption. Results After the training period, postmenopausal significantly (P
Highlights
There is growing evidence that the decline in estrogen levels caused by menopause induces a state of negative metabolic changes in which bone resorption often exceeds bone formation, thereby decreasing bone mass [1,2]
Data are presented as mean ± standard deviation (х ± ); P (T1-T2): P < 0.05
There were no significant differences observed for anthropometric, in height, weight or BMI between first (T1) and second evaluation (T2) in the postmenopausal women (Table 1)
Summary
There is growing evidence that the decline in estrogen levels caused by menopause induces a state of negative metabolic changes in which bone resorption often exceeds bone formation, thereby decreasing bone mass [1,2]. Typically 50—60 years of life, muscular strength declines as bone metabolism changes result in reduced bone density [3,4]. A positive effect of exercise on bone mass has been demonstrated in postmenopausal women [6,7,8,9] the results were not always consistent due to methodological issues, namely: the age of the participants, differences between each mode of exercise (aerobic vs resistance exercise, isometric or concentric actions, frequency of exercise, testing measures), the duration of the intervention and the markers of bone changes used
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