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OBJECTIVES To examine the construct validity of the International FItness Scale (IFIS) (ie, self-reported fitness) against objectively measured physical fitness in women with fibromyalgia and in healthy women; and to study the test-retest reliability of the IFIS in women with fibromyalgia. DESIGN Cross-sectional study. SETTING Fibromyalgia patient(More)
OBJECTIVE The aim of this study was to validate the modified 2010 ACR preliminary criteria for FM in a Spanish population. METHODS Five hundred and seventy-nine (550 women) FM and 294 (240 women) control participants were enrolled in the study. FM patients were previously diagnosed by a rheumatologist. All participants underwent both the 1990 ACR criteria(More)
PURPOSE The aim of the present study was to investigate the effects of the consumption of two cloudy apple juices with different polyphenol and vitamin C contents on antioxidant status, cardiometabolic and inflammation markers in healthy young adults. METHODS Twenty subjects, aged 21-29 years, completed a randomized crossover study. At each 4-week(More)
This study aimed to analyse the association of different components of physical fitness, body composition, cardiometabolic markers and the Mediterranean diet with bone mineral density (BMD) in perimenopausal women, and to test which of these components are independently associated with BMD. The sample comprised 197 perimenopausal women (52.6 ± 4.5 years).(More)
PURPOSE This study aimed to determine the ability of a set of physical fitness tests to discriminate presence or absence of fibromyalgia in women. METHODS The sample comprised 487 women with fibromyalgia (52.1 ± 8 yr) and 250 control women (49.3 ± 9 yr). We assessed physical fitness using the arm curl, 30-s chair stand, handgrip strength, 8-ft up and go,(More)
The present study aimed: (1) to test the associations of overall physical fitness and subjective well-being with fibromyalgia severity and (2) to determine whether the combination of overall physical fitness and subjective well-being is associated with fibromyalgia severity among adult women patients. This cross-sectional study included 424 participants(More)
The present study assessed the effectiveness of an RPE learning protocol for improving the validity of the Borg 6-20 RPE scale for self-regulating exercise intensity during Indoor Cycling (IC). 16 healthy adults performed 5 IC sessions. Heart rate (HR) was continuously monitored. In sessions 1 and 5, participants perceptually regulated exercise intensity to(More)
OBJECTIVE To characterize the levels of objectively measured time spent in sedentary activities (sedentary time) and physical activities in female patients with fibromyalgia and compare them with the levels in age-matched healthy control women. METHODS The study comprised 413 female patients with fibromyalgia (mean ± SD age 51.9 ± 7.4 years) and 188(More)
OBJECTIVE This population-based cross-sectional study aimed to characterize the association of different components of physical fitness with pain levels, pain-related catastrophizing, and chronic pain self-efficacy in women with fibromyalgia (FM). METHODS A total of 468 women with FM participated. The experience of pain was assessed with different tools(More)
OBJECTIVES To assess the association between physical fitness and fibromyalgia (FM) severity in women with FM as well as to assess whether different fitness components present an independent relation with FM severity. DESIGN Population-based cross-sectional study. SETTING University facilities and FM associations. PARTICIPANTS Women with FM (N=444).(More)