Independent and joint associations of physical activity and fitness with fibromyalgia symptoms and severity: The al-Ándalus project     

Víctor Segura-Jiménez  Alberto Soriano-Maldonado  Fernando Estévez-López  Inmaculada C. Álvarez-Gallardo  Manuel Delgado-Fernández  Jonatan R. Ruiz 《Journal of sports sciences》2017,35(15):1565-1574

We examined independent and joint associations of objectively measured physical activity (PA) and physical fitness (PF) with pain, fatigue and the overall impact of fibromyalgia in 386 fibromyalgia women aged 51.2 ± 7.6 years. Levels of PA (light, moderate and vigorous) and PF were measured with triaxial accelerometry and the Senior Fitness Test, respectively. We used the Short-Form health survey-36 pain sub-scale and the Multidimensional Fatigue Inventory to assess pain and multiple dimensions of fatigue, respectively. The impact of fibromyalgia was studied with the Revised Fibromyalgia Impact Questionnaire (FIQR). Both, total PA and global PF were independently associated with pain pressure threshold, SF-36 pain, reduced activity, reduced motivation and FIQR total score (all, P ≤ 0.027). The associations between total PA and symptoms were weaker than those observed between global PF and symptoms. Overall, unfit patients with low PA showed a worse profile that fit patients with high PA (all, P ≤ 0.001). In summary, PA and PF are independently associated with pain, fatigue and the overall impact of fibromyalgia in women. Although PF presented greater associations with symptoms, the results suggest that both being physically active and keep adequate fitness levels might be convenient for fibromyalgia women.  相似文献   

Mediation role of cardiorespiratory fitness on the association between fatness and cardiometabolic risk in European adolescents: The HELENA study     

Carlos Cristi-Montero  Javier Courel-Ibez  Francisco B. Ortega  Jose Castro-Piero  Alba Santaliestra-Pasias  Angela Polito  Jrmy Vanhelst  Ascensin Marcos  Luis M. Moreno  Jonatan R. Ruiz  HELENA study group 《运动与健康科学(英文)》2021,10(3):360-367

PurposeThis study was aimed to analyze the mediation role of cardiorespiratory fitness (CRF) on the association between fatness and cardiometabolic risk scores (CMRs) in European adolescents.MethodsA cross-sectional study was conducted in adolescents (n = 525; 46% boys; 14.1 ± 1.1 years old, mean ± SD) from 10 European cities involved in the Healthy Lifestyle in Europe by Nutrition in Adolescence study. CRF was measured by means of the shuttle run test, while fatness measures included body mass index (BMI), waist to height ratio, and fat mass index estimated from skinfold thicknesses. A clustered CMRs was computed by summing the standardized values of homeostasis model assessment, systolic blood pressure, triglycerides, total cholesterol/high-density lipoprotein cholesterol ratio, and leptin.ResultsLinear regression models indicated that CRF acted as an important and partial mediator in the association between fatness and CMRs in 12–17-year-old adolescents (for BMI: coefficients of the indirect role β = 0.058 (95% confidence interval (95%CI): 0.023–0.101), Sobel test z = 3.11 (10.0% mediation); for waist to height ratio: β = 4.279 (95%CI: 2.242–7.059), z =3.86 (11.5% mediation); and for fat mass index: β = 0.060 (95%CI: 0.020–0.106), z = 2.85 (9.4% mediation); all p < 0.01).ConclusionIn adolescents, the association between fatness and CMRs could be partially decreased with improvements to fitness levels; therefore, CRF contribution both in the clinical field and public health could be important to consider and promote in adolescents independently of their fatness levels.  相似文献   

After the “At-Risk” Label: Reorienting Educational Policy and Practice     

Desiree Pallais  María José Ruiz González 《Multicultural Perspectives》2013,15(3):184-186

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Evaluation of Affective and Cognitive‐Affective Domains in Socially‐Oriented Innovative Science and Technology Curricula     

Uri Zoller  Fletcher G. Watson 《International Journal of Science Education》2013,35(4):339-351

Summaries

English

The present work is an attempt to contribute to the field of evaluation of the affective domain in socially‐oriented innovative science and technology curricula. The main concern of such curricula is the long‐term development of the student's personality in terms of decision‐making capability, attitudes, intellectual power, and social involvement.

Since it appears that the realistic choice in the evaluation of such curricula is between ‘no measures’ (subjective judgements) and ‘imperfect proxies’, it is proposed to concentrate on finding adequate (and agreeable) measures to evaluate the long‐range intended (but also the unintended) effects of the programmes in hand, and only then to switch to evaluate the effectiveness of the curriculum in achieving these effects (i.e. the educational objectives) in the affective domain. Selected ideas with respect to the above are ‘translated’ here into manageable and applicable procedures within the science class, taking into consideration the ‘local realism of constraints’ within which every science teacher performs.

The development of feasible methods for measurement of curricular outcomes in the affective and affective‐cognitive domains is a precondition for future summative evaluation of socio‐technologically oriented science and technology curricula. Contending with the moral and value‐judgement components of any future science curriculum is therefore the inescapable task ahead.  相似文献   

Criterion-related validity of the 20-m shuttle run test in youths aged 13–19 years     

Jonatan R. Ruiz  Gustavo Silva  Norton Oliveira  José C. Ribeiro  Jose F. Oliveira  Jorge Mota 《Journal of sports sciences》2013,31(9):899-906

Abstract

We assessed the agreement between maximal oxygen consumption ([Vdot]O_2max) measured directly when performing the 20-m shuttle run test and estimated [Vdot]O_2max from five different equations (i.e. Barnett, equations a and b; Léger; Matsuzaka; and Ruiz) in youths. The 20-m shuttle run test was performed by 26 girls (mean age 14.6 years, s = 1.5; body mass 57.2 kg, s = 8.9; height 1.60 m, s = 0.06) and 22 boys (age 15.0 years, s = 1.6; body mass 63.5 kg, s = 11.5; height 1.70 m, s = 0.01). The participants wore a portable gas analyser (K4b2, Cosmed) to measure [Vdot]O₂ during the test. All the equations significantly underestimated directly measured [Vdot]O_2max, except Barnett's (b) equation. The mean difference ranged from 1.3 ml · kg^?1 · min^?1 (Barnett (b)) to 5.5 ml · kg^?1 · min^?1 (Léger). The standard error of the estimate ranged from 5.3 ml · kg^?1 · min^?1 (Ruiz) to 6.5 ml · kg^?1 · min^?1 (Léger), and the percentage error ranged from 21.2% (Ruiz) to 38.3% (Léger). The accuracy of the equations available to estimate [Vdot]O_2max from the 20-m shuttle run test is questionable at the individual level. Furthermore, special attention should be paid when comparisons are made between studies (e.g. population-based studies) using different equations. The results of the present study suggest that Barnett's (b) equation provides the closest agreement with directly measured [Vdot]O_2max (cardiorespiratory fitness) in youth.  相似文献   

Physiological Differences Between Heat Tolerant and Heat Intolerant Young Healthy Women     

Ran Yanovich  Itay Ketko  Jeni Muginshtein-Simkovitch  Einat Yanovich  Uri Eliyahu  Chen Fleischmann 《Research quarterly for exercise and sport》2013,84(3):307-317

ABSTRACT

Purpose: Heat intolerance (HI) is determined in the Israel Defense Force according to a heat tolerance test (HTT) before returning to duty after an exertional heat stroke (EHS) event. Recently, increased numbers of female combatants resulted in an increased number of EHS cases among women and a higher percentage of heat intolerance (HI) individuals. We aimed to evaluate the differences between tolerance to heat among women performing an HTT in relation to their menstrual cycle phase. Method: Thirty-three female participants were sorted into two groups: HI and heat tolerant (HT) according to two HTTs performed during both the luteal and follicular phases of the menstrual cycle or while consuming and during a break from consuming contraceptives. Results: HT women had an 18% higher maximal oxygen uptake (p < .005, 95% CI [2.6,9.8]) and 1.2% lower skin temperature in the HTT at the during and follicular phases (p < .01, 95% CI [0.12,0.77]) and 1.7% lower at the off and luteal phases (p < .001, 95% CI [0.34,0.92]). The mean sweat rate was 14% lower among the HI group only at the HTT at the during and follicular phases (p < .05, 95% CI (3,88)]). Conclusion: We found that HT can be predicted using aerobic capacity and core body temperature. Moreover, during the luteal phase, women presented altered thermoregulation that decreased the probability of being HT. This emphasizes the importance of considering the HT/HI criteria in the HTT for women, according to their aerobic ability and menstrual-cycle phase.  相似文献   

Validity and reliability of rating perceived exertion in women with fibromyalgia: exertion-pain discrimination     

Alberto Soriano-Maldonado  Jonatan R. Ruiz  Inmaculada C. Álvarez-Gallardo  Víctor Segura-Jiménez  Alfredo Santalla  Diego Munguía-Izquierdo 《Journal of sports sciences》2015,33(14):1515-1522

The present study aimed (1) to assess the validity and reliability of the Borg category-ratio (CR-10) scale for monitoring exercise intensity in women with fibromyalgia (FM) and (2) to examine whether women with FM can discriminate between perceived exertion and exercise-induced pain. Thirty-three women with FM performed two incremental treadmill tests (1 week separated). Heart rate, oxygen uptake, minute ventilation and respiratory quotient were measured. The ratings of perceived exertion (RPE: CR-10 scale) and exercise-induced pain were obtained at each workload. The Spearman’s correlation of RPE with the physiological responses ranged from 0.69 to 0.79. The regression models explained ~50% of the variability of the studied physiological responses. We found “perfect acceptable” agreement in 69% of the observations. Weighted Kappa was 0.66 (95% confidence interval [CI]: 0.59–0.72). There were differences between RPE and pain at workloads 3 (1.50; 95%CI: 0.85–2.16), 4 (2.10; 95%CI: 1.23–2.96), 5 (3.40; 95%CI: 1.29–5.51) and 6 (3.97; 95%CI: 1.61–6.33). The main findings of the present study suggest that the Borg CR-10 scale is valid and moderately reliable for monitoring exercise intensity in women with FM, and these patients were able to discriminate between exertion and exercise-induced pain.  相似文献   

Higher education in the Israeli Kibbutz: Revolution and effect   总被引：1，自引：0，他引：1  

Uri Leviatan 《Interchange》1982,13(1):68-82

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Efectos del uso del ordenador en educación. Revisión del tema     

Juan Ruiz 《Cultura y Educación》2013,25(19-20):205-217

El ordenador se ha abierto camino en la vida cotidiana con la misma fuerza que la pluma, la calculadora, la carpeta o el teléfono. Debatir su necesidad en educación, resulta hoy innecesario y conocer sus usos actuales y potenciales es cada vez más una necesïdad para actualizar la educación respecto a lo que en el futuro se perfila como su más habitual herramienta.  相似文献   

A Review of “No longer separate,not yet equal: Race and class in elite college admission and campus life”     

Ryan S. Wells  Yedalis Ruiz 《Equity & Excellence in Education》2013,46(4):566-570

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