| Title |
Infrared LED irradiation applied during high-intensity treadmill training improves maximal exercise tolerance in postmenopausal women: a 6-month longitudinal study
|
|---|---|
| Published in |
Lasers in Medical Science, March 2012
|
| DOI | 10.1007/s10103-012-1062-y |
| Pubmed ID | |
| Authors |
Fernanda Rossi Paolillo, Adalberto Vieira Corazza, Audrey Borghi-Silva, Nivaldo Antonio Parizotto, Cristina Kurachi, Vanderlei Salvador Bagnato |
| Abstract |
Reduced aerobic fitness is associated with an increased risk of cardiovascular diseases among the older population. The aim of this study was to investigate the effects of LED irradiation (850 nm) applied during treadmill training on the maximal exercise tolerance in postmenopausal women. At the beginning of the study, 45 postmenopausal women were assigned randomly to three groups, and 30 women completed the entire 6 months of the study. The groups were: (1) the LED group (treadmill training associated with phototherapy, n = 10), (2) the exercise group (treadmill training, n = 10), and (3) the sedentary group (neither physical training nor phototherapy, n = 10). The training was performed for 45 min twice a week for 6 months at intensities between 85% and 90% maximal heart rate (HRmax). The irradiation parameters were 39 mW/cm(2), 45 min and 108 J/cm(2). The cardiovascular parameters were measured at baseline and after 6 months. As expected, no significant differences were found in the sedentary group (p ≥ 0.05). The maximal time of tolerance (Tlim), metabolic equivalents (METs) and Bruce stage reached significantly higher values in the LED group and the exercise group (p < 0.01). Furthermore, the HR, double product and Borg score at isotime were significantly lower in the LED group and in the exercise group (p < 0.05). However, the time of recovery showed a significant decrease only in the LED group (p = 0.003). Moreover, the differences between before and after training (delta values) for the Tlim, METs and HR at isotime were greater in the LED group than in the exercise group with a significant intergroup difference (p < 0.05). Therefore, the infrared LED irradiation during treadmill training can improve maximal performance and post-exercise recovery in postmenopausal women. |
X Demographics
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Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United Kingdom | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 97 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Brazil | 3 | 3% |
| Japan | 1 | 1% |
| Unknown | 93 | 96% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Master | 15 | 15% |
| Student > Bachelor | 12 | 12% |
| Student > Ph. D. Student | 11 | 11% |
| Student > Doctoral Student | 8 | 8% |
| Professor | 6 | 6% |
| Other | 23 | 24% |
| Unknown | 22 | 23% |
| Readers by discipline | Count | As % |
|---|---|---|
| Medicine and Dentistry | 19 | 20% |
| Nursing and Health Professions | 17 | 18% |
| Sports and Recreations | 15 | 15% |
| Agricultural and Biological Sciences | 5 | 5% |
| Psychology | 3 | 3% |
| Other | 12 | 12% |
| Unknown | 26 | 27% |
Attention Score in Context
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#18,312,024
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Outputs from Lasers in Medical Science
#865
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#121,115
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Outputs of similar age from Lasers in Medical Science
#8
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