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Association between cognitive performance, physical fitness, and physical activity level in women with chronic fatigue s

This study investigates the relationship between cognitive performance, physical fitness, and physical activity level (PAL) in female patients with chronic fatigue syndrome (CFS). The results show that physical fitness is associated with cognitive performance in CFS patients, but PAL does not have a significant effect.

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Association between cognitive performance, physical fitness, and physical activity level in women with chronic fatigue s

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  1. Association between cognitive performance, physical fitness, and physical activity level in women with chronic fatigue syndrome Kelly Ickmans, PT, MSc; Peter Clarys, PE, BR Sc, PhD; Jo Nijs, PT, PhD; Mira Meeus, PT, PhD; Dirk Aerenhouts, PE, PhD; Evert Zinzen, PE, PT, PhD; Senne Aelbrecht, PE; Geert Meersdom, MN; Luc Lambrecht, MD, PhD; Nathalie Pattyn, MD, PhD

  2. Aim • Examine whether cognitive performance, physical fitness, and physical activity level (PAL) are associated in female patients with chronic fatigue syndrome (CFS). • Relevance • Physical activity may be directly related to cognitive performance in CFS patients but this relationship has not been previously examined.

  3. Method • Participants (31 female CFS patients and 13 healthy inactive female controls) wore an activity monitor for 72 h and performed: • 3 cognitive tests (Stroop, psychomotor vigilance task, operation span task). • Maximal handgrip strength test. • Bicycle ergometer test.

  4. Results • CFS patients: • Lower peak oxygen uptake and peak heart rate associated with slower psychomotor speed. • Maximal handgrip strength correlated with working memory performance. • Lower choice and simple reaction time.

  5. Conclusion • Physical fitness, but not PAL, is associated with cognitive performance in female CFS patients.

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