Browsing by Author "Malheiro, Alexandra"
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- Exploratory Analysis of Physiological and Biomechanical Determinants of CrossFit Benchmark Workout Performance: The Role of Sex and Training ExperiencePublication . Malheiro, Alexandra; Forte, Pedro; Rodríguez-Rosell, David; Marques, Diogo L.; Marques, Mário C.CrossFit performance is influenced by physiological, neuromuscular, and perceptual factors, yet the extent to which these determinants vary by sex or training experience in standardized CrossFit Workouts of the Day (WODs) remains unclear. This study examined whether variables such as lactate accumulation, oxygen uptake dynamics, jump performance loss, and ventilatory responses relate differently to performance when stratified by sex and expertise. Fifteen trained athletes (eight males, seven females; overall mean age 27.7 ± 4.6 years) took part. Assessments included body composition, squat (SJ) and countermovement jumps (CMJ), and maximal oxygen consumption [VO2max]. On a separate day, they performed Fran (21-15-9 thrusters and pull-ups, Rx or scaled) The prescribed (‘Rx’) version used standardized barbell loads (43 kg for men, 29 kg for women), while the scaled version involved reduced loads or pull-up modifications. Respiratory gas exchange and heart rate were continuously monitored, while blood lactate and jump performance were measured pre- and post-WOD. Workout completion time [s] was the primary outcome. Correlation heatmaps explored associations in the overall sample and by sex and expertise. Mean completion time was 422.1 ± 173.2 s (range: 200–840). Faster performance correlated with higher ventilatory responses [ΔVe, r = −0.60, p = 0.018], greater mean VO2 (r = −0.62, p = 0.014), superior jump power [CMJ pre, r = −0.65, p = 0.009], and higher post-WOD lactate [r = −0.54, p = 0.036]. Sex-stratified analyses showed that males relied on ventilatory efficiency and neuromuscular power, whereas females were more constrained by performance loss and higher resting perceived exertion (RPE). Experts depended on ventilatory and neuromuscular efficiency, while initiates showed stronger associations with decrements in jump performance and higher RPE. These findings highlight subgroup-specific performance profiles and reinforce the need for tailored training strategies in CrossFit athletes.
- Literary tourism in northern portugal: an exploratory perspectivePublication . Sousa, Bruno; Liberato, Pedro; Liberato, Dália; Pereira, Carina; Rodrigues, Cristina; Costa, Adriano; Malheiro, Alexandra; Esteves, Elsa Tavares; Carvalho, PedroThe present study intends to structure a tourist offer based on literary tourism, with the proposal of literary routes in the Northern region of Portugal, in particular the municipalities covered by the Regional Tourism Authority - Entidade Regional de Turismo do Porto e Norte (ERTPNP), through the dynamisation of its literary heritage and its socio-cultural stimulation. It is expected to contribute to the promotion of tourism policies oriented to the development of new products and experiences, based on the identity and specificities of the different territories involved, with relevant authors and works. In addition, it is expected to develop a prototype of an APP for the promotion and dynamisation of one of the literary routes, the most representative of the literary heritage of the region which will provide an immersive and rich experience. A process that will involve the different stakeholders.The project aims to create a territorial database where a literary tourism development model can be applied through tourist routes. The criteria for applying the methodology will be based on: Cultural value of literary activities and their attractiveness to visitors; Literary nature of activities offered; Benefits for the local community; Involvement of the local community in the design of literary experiences; Relationship between visitors, local producers, and the local community; Use of local resources for the development of literary experiences; Use of digital techniques to develop engaging and participatory experiences.
- Perception of satisfaction with body image in adolescents from Paredes Secondary SchoolPublication . Flores, Pedro Miguel; Malheiro, Alexandra; Monteiro, A.M.Body image is part of the mechanism of personal identity that can be given as a mental representation of the body itself, reflecting the way individuals think, feel, and behaves in relation to their physical appearance. The perception of an individual’s body image changes due to intrinsic and extrinsic factors and, in adolescence, due to the formation of their identity, the influence of social media and network can be very determinant in their body image perception that have beauty and aesthetics standards difficult to achieve. Sports physical activity (SPA) proves to be a way to maintain or achieve the ideal physical shape, thus it increases the body satisfaction and the perception of body image (PSIC). The main objective of the current study is to evaluate the relationship between the practice of AFD and PSIC in adolescence, Paredes high school. It was concluded that the perception and satisfaction of body image varied according to the practice of physical sports activity in male students. In females, the practice of sports physical activity did not influence the perception and satisfaction of their body image.