Resilience and catastrophizing, through distress, are related to fibromyalgia severity. Active lifestyle, directly and through fitness and fatigue, is related to fibromyalgia severity. Declarative memory (objectively measured) is not related to fibromyalgia severity. Subjective and objective assessments of fitness provide complementary information in fibromyalgia.
This study assessed the effect of 12-week aerobic exercise on arterial stiffness (primary outcome), inflammation, oxidative stress, and cardiorespiratory fitness (secondary outcomes) in women with systemic lupus erythematosus (SLE). In a non-randomized clinical trial, 58 women with SLE were assigned to either aerobic exercise (n = 26) or usual care (n = 32). The intervention comprised 12 weeks of aerobic exercise (2 sessions × 75 min/week) between 40–75% of the individual’s heart rate reserve. At baseline and at week 12, arterial stiffness was assessed through pulse wave velocity (PWV), inflammatory (i.e., high-sensitivity C-reactive protein [hsCRP], tumor necrosis factor alpha [TFN-α], and inteleukin 6 [IL-6]) and oxidative stress (i.e., myeloperoxidase [MPO]) markers were obtained from blood samples, and cardiorespiratory fitness was assessed (Bruce test). There were no between-group differences in the changes in arterial stiffness (median PWV difference −0.034, 95% CI −0.42 to 0.36 m/s; p = 0.860) or hsCRP, TNF-α, IL-6, and MPO (all p > 0.05) at week 12. In comparison to the control group, the exercise group significantly increased cardiorespiratory fitness (median difference 2.26 minutes, 95% CI 0.98 to 3.55; p = 0.001). These results suggest that 12 weeks of progressive treadmill aerobic exercise increases cardiorespiratory fitness without exacerbating arterial stiffness, inflammation, or oxidative stress in women with SLE.
Purpose To get insight into the potential significance of objectively measured sedentary time (ST), and physical activity (PA) intensity levels on sleep quality (SQ) in women with fibromyalgia; and to assess whether those who meet moderate‐to‐vigorous PA (MVPA) recommendations have better SQ than their counterparts. Methods Four‐hundred and nine women with fibromyalgia (age range 30‐65 years old) from Andalusia (southern Spain) were included in this cross‐sectional study. Sedentary time, PA intensity levels (light, moderate, and MVPA), and total PA were assessed with accelerometers during seven consecutive days. Sleep quality was measured with the Pittsburgh Sleep Quality Index self‐report questionnaire. Results Higher ST was associated with worse subjective SQ, sleep duration, sleep disturbances, daytime dysfunction, and SQ global score (all, P < 0.05). All PA levels were associated with better subjective SQ and sleep latency and with less sleep medication and daytime dysfunction (all, P < 0.05). In addition, light and total PA were associated with better sleep efficiency, SQ global score, and less sleep disturbances (all, P < 0.05). Finally, women meeting bouted PA recommendations displayed better SQ than patients not meeting the recommendations (bouted or non‐bouted). Conclusion Lower ST and greater PA levels are associated with better SQ in women with fibromyalgia. This result demonstrates that those patients with fibromyalgia who reduce periods of inactivity and perform PA could be better sleepers, which might contribute to a lower severity of the disease. It is noteworthy that meeting bouted PA recommendations is associated with better SQ.
There is strong scientific evidence that muscle-strengthening exercise (i.e. use of weight machines, push-ups, situps) is independently associated with a reduced risk of multiple chronic diseases (e.g. diabetes, hypertension, cardiovascular disease). However, prevalence rates for meeting the muscle-strengthening exercise guideline (≥2 times/week) are significantly lower (~20%) than those reported to meet the aerobic physical activity guideline (e.g. walking, jogging, cycling) (~50%). It is therefore important to understand public health surveillance approaches to assess muscle-strengthening exercise. The aim of this review was to describe muscle-strengthening exercise assessment in public health surveillance. Informed by the PRISMA guidelines, an extensive keyword search was undertaken across 7 electronic data bases. We identified 86,672 possible articles and following screening (n = 1140 in full-text) against specific inclusion criteria (adults aged ≥18 years, English, studies containing <1000 participants), extracted data from 156 manuscripts. Fifty-eight different survey systems were identified across 17 countries. Muscle-strengthening exercise frequency (85.3%), duration (23.7%) and intensity (1.3%) were recorded. Muscle-strengthening exercise questions varied significantly, with some (11.5%) requiring a singular 'yes' vs 'no' response, while others (7.7%) sought specific details (e.g. muscle groups targeted). Assessments of duration and intensity were inconsistent. Very few studies measured the validity (0.6%) and reliability (1.3%) of muscle-strengthening exercise questions. Discrepancy exists within the current assessment systems/surveys used to assess muscle-strengthening exercise in public health surveillance. This is likely to impede efforts to identify at risk groups and trends within physical activity surveillance, and to accurately assess associations between muscle-strengthening exercise and health-related outcomes.
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