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This study examines the convergent validity of the Physical Activity Questionnaire for Children (PAQ-C) for assessing moderate-to-vigorous and total physical activity (PA) in school children. 430 participants (51.6% girls) aged 9-12 years provided valid accelerometer data (wGT3X-BT) and completed the PAQ-C. Convergent validity was assessed using Pearson correlations (r) and Bland-Altman plots. The PAQ-C total score was similarly associated with moderate-to-vigorous PA and total PA (r = 0.28 and 0.26, p < 0.001, respectively). 10- and 11-year-old groups were the only in which the PAQ-C was significantly associated with both accelerometer variables (p < 0.001). Girls showed higher associations (r = 0.31 for each, p < 0.001) than boys (r = 0.18 and 0.15 for moderate-to-vigorous PA and total PA, respectively, p < 0.05). Acceptable measurement bias for all age groups (range, 3.6-7%) was found. Researchers should be cautious when using the PAQ-C to assess moderate-to-vigorous PA in school children.

Author(s): María Romero-Elías [sup.1] , David González-Cutre [sup.1] , Vicente J. Beltrán-Carrillo [sup.1] , Alejandro Jiménez-Loaisa [sup.1] [sup.2] Author Affiliations: (1) grid.26811.3c, 0000 0001 0586 4893, Department of Sport Sciences, [...], This study explored basic psychological needs (BPN) experiences, motivation to continue living, and psychological well-being in colorectal cancer (CRC) patients during adjuvant treatment. Qualitative data from 30 participants (ten CRC patients, ten relatives and ten healthcare professionals) were collected by performing two sets of semi-structured interviews. Three categories were identified: (a) BPN frustration, (b) hope as a source of motivation, and (c) sources of hope. This last category included several subcategories: positive attitude, religious faith, positive medical feedback, knowing that they were going to receive a short-term chemotherapy, and being aware that other patients were in a worse condition. CRC patients felt their basic psychological needs were thwarted during adjuvant treatment. However, hopeful thoughts were reported as relevant sources of motivation to live, which positively impacted on patients&apos; psychological well-being. Future research could explore the construct of hope as a hypothetical moderator between BPN and CRC patients&apos; well-being during treatment.

Purpose: Adolescents' and parents' experiences within a multidimensional school-based physical activity intervention grounded on self-determination theory were explored. Method: Qualitative data from 29 adolescents (aged 15-17 years) and three parents on behalf of the total students' families were collected via participant observation (research diary), semistructured interviews, and focus groups. Results: Adolescents perceived that the application of motivational strategies, based on self-determination theory, satisfied their basic psychological needs for autonomy, competence and relatedness, favored self-determined motivation, and gave rise to adaptive consequences (improved physical activity knowledge, creation of affective bonds, and increased leisure-time physical activity). These results were supported by the information reported by the students' parents. Discussion/Conclusions: The findings support the implementation of self-determination theory-based multidimensional interventions to promote adolescents' physical activity participation. This study also presents several motivational strategies which could be useful for the design and implementation of future school-based physical activity interventions.

Background: The need for novelty has been recently proposed as a candidate need within basic psychological needs theory (BPNT). In physical education (PE), research has shown that meeting students' need for novelty is often positively associated with enhanced (and negatively associated with impaired) pupils' well-being. Frustrating students' novelty has also been negatively related to achieving multiple positive outcomes in PE. However, no research has explored whether frustration of novelty is positively associated with maladaptive consequences for pupils in this educational context, which is a necessary criterion to be included within BPNT. Purpose: In this correlational study, we aimed to determine whether frustration of novelty was associated with up to 10 maladaptive outcomes in a similar way as the frustration of the three basic psychological needs (autonomy, competence, and relatedness). The maladaptive outcomes analyzed were amotivation, boredom, negative affect, entity beliefs, fear of failure, worry, concentration disruption, somatic and social physique anxiety, and oppositional defiance. Research design: Cross-sectional study. Methods: A total of 533 students (Mage = 14.47, SD = 1.34; 56.66% female) from eight secondary schools completed online questionnaires assessing their basic psychological needs frustration, novelty frustration and diverse maladaptive outcomes in PE. Pearson's correlations and hierarchical regression analyses controlling by sex, age, and race, were calculated to test the associations among these variables. Findings: The correlation coefficients for novelty frustration were like those found for the three basic psychological needs concerning maladaptive outcomes in PE students. Particularly, hierarchical regression analyses showed that frustrating novelty in PE predicted amotivation (β =.11, p =.039), boredom (β =.23, p <.001), entity beliefs (β =.12, p =.039), and concentration disruption (β =.12, p =.049). Conclusions: Results showed that novelty frustration was positively related to experiencing some negative consequences in PE, which is an important criterion within BPNT. Future training programs aimed at promoting optimal (and preventing detrimental) motivational styles in PE teachers could use these results to optimize students' PE experiences. [ABSTRACT FROM AUTHOR]

Objectives: To evaluate the associations of physical education (PE) with school violence and bullying. Design: Systematic review. Method: Using a systematic search in Medline, PsycINFO, SPORTDiscus, Web of Science, and Scopus, relevant studies with a quantitative and qualitative design were identified that met previously established eligibility criteria. Quality was assessed (bias risk analysis) and data were extracted from a previously elaborated template. Results: The systematic review finally included 16 studies, of which 10 had a quantitative design (n = 12795), 5 a qualitative design (n = 79) and 1 a mixed design (n = 86). The high heterogeneity presented by the measures used in the included studies hindered the comparison of the outcomes and prevented meta-analysis of the data. Although there is insufficient evidence about the positive impact of PE on bullying prevention, the results of this review indicate that some aspects of PE programs could improve students' skills to cope with these situations. Conclusions: The results of this review suggest the importance of PE in the prevention of bullying. Secondly, it is emphasized that bullying situations have a negative impact on students' enjoyment of PE, leading to detrimental consequences for their physical and psychological health. Thirdly, the figure of the PE teacher as a key element to prevent and/or encourage bullying was obvious.

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The main purpose of the current study was to analyze the injury incidence, characteristics and burden among sub-elite female futsal players. Individual exposure to match play and training, injury incidence and characteristics (player position, injury mechanism, type of injuries, severity of injuries, recurrent vs. new injuries, season variation of injury pattern) in a female futsal team were prospectively recorded for three consecutive seasons (2015–2018). Incidences were calculated per 1,000 h of exposure. A total of 30 injuries were reported during the three seasons within a total exposure of 4,446.1 h. The overall, match and training incidence of injuries were 6.7, 6.4 and 6.8 injuries/1,000 h of exposure, respectively. Most injuries had a non-contact mechanism (93%), with the lower extremity being the most frequently injured anatomical region (5.62 injuries/1,000 h of exposure). The most common type of injury was muscle/tendon (4.9 injuries/1,000 h of exposure) followed by joint (non-bone) and ligament (1.3 injuries/1,000 h of exposure). The injuries with the highest injury burden were those that occurred at the knee (31.9 days loss/1,000 h exposure), followed by quadriceps (15.3 day loss/1,000 h) and hamstring (14.4 day loss/1,000 h) strains. The first few weeks of competition after pre-season and soon after the Christmas break were the time points when most injuries occurred. These data indicate that sub-elite female futsal players are exposed to a substantial risk of sustaining an injury. To reduce overall injury burden, efforts should be directed toward the design, implementation and assessment of preventative measures that target the most common diagnoses, namely, muscle/tendon and ligament injuries. [ABSTRACT FROM AUTHOR]

Copyright of European Journal of Human Movement is the property of Asociacion Espanola de Ciencias del Deporte and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The purpose of this study was to examine the validity of a highly popular pedometer application (Samsung Health). Sixteen adults (28.8 ± 8.9 years of age) wore two Samsung smartphone models, Samsung Galaxy Core Prime (SGCP) and Samsung Galaxy S4 (SGS4), at three body locations (waist, arm, and hand) while walking and running over a 50-m test. All trials were recorded using a video as a gold standard measure of step counts. Results indicated that the validity of Samsung Health varied depending on the smartphone model, its body location, and the type of gait (walking and running). Samsung Health showed acceptable validity when the SGCP was located on the hand (Bias = −8.3%; RMSE = 5.6), and especially on the arm (Bias = −7.2%; RMSE = 4.9) while running, and when the SGS4 was located on the arm (Bias = −7.5%; RMSE = 5.4), and especially on the waist (Bias = 5.4%; RMSE = 3.7) while walking. Samsung Health only showed good validity when the SGS4 was located on the arm (Bias = 2.9%; RMSE = 3.6), and especially on the hand (Bias = 0.5%; RMSE = 2.5) while running. This application showed unacceptable validity in the remaining options. [ABSTRACT FROM AUTHOR]

To explore the perceived benefits of a group-based exercise program for patients with colorectal cancer (CRC) undergoing chemotherapy treatment. In-depth semi-structured interviews were conducted with all participants (n = 27) at the end of the exercise program (patients, relatives and healthcare professionals). The exercise instructor in charge of the exercise program with CRC patients also collected observational field notes throughout a research diary. Three main themes related to exercise as a coping strategy were obtained: (a) physical recovery; (b) psychosocial well-being, and (c) reconnection with their embodied selves and normal lives. Physical recovery included a perceived increase in fitness and a reduction in physical side-effects. Psychosocial well-being included perceived benefits in self-confidence, sense of control, reduced fear, feeling of being useful, sense of achievement, positive thinking and avoiding depression. All the physical and psychosocial benefits helped patients reconnect with their embodied selves, engage in activities practised before the diagnoses, improve their body image, avoid stigma, and increase their social life beyond cancer diagnoses. In this sense, some patients held on to their past selves, trying to keep or recover normality in their lives, while others acknowledged that they might not be the same person anymore, with exercise being part of this new identity. This study shows that exercise is a coping strategy that benefitted CRC patients in several ways related to their physical and psychosocial quality of life. • The exercise program contributed to the QOL of patients during the chemotherapy. • Exercise reinforced patients' confidence about re-engaging in pre-cancer actions. • The group-based exercise helped patients to reconnect with their "new" identity. • Physical recovery reduced the physical side-effects experimented by patients. [ABSTRACT FROM AUTHOR]