Journal of Functional Morphology and Kinesiology最新文献

{"title":"Protective Gear Negatively Impacts Police Officer Mobility, Stability, and Power Generation.","authors":"Katherine A Frick, Philip J Agostinelli, Frances K Neal, Nicholas C Bordonie, C Brooks Mobley, JoEllen M Sefton","doi":"10.3390/jfmk10030344","DOIUrl":"10.3390/jfmk10030344","url":null,"abstract":"<p><p><b>Background:</b> Protective gear is a critical part of the police officer uniform. The required protective gear weighs over 9 kg and is rigid and bulky, creating deficits in physical performance essential for completing officer's daily tasks and increasing risk of injury. Understanding the impedance the protective gear causes and how physical factors such as body composition increase this effect is critical to the safety and survival of the police officer. The purpose of this study was to evaluate the impact of protective gear on officer capabilities. <b>Methods:</b> Officers completed an 11-point assessment in two conditions: athletic attire (No Gear) and uniform + protective equipment (Gear). <b>Results:</b> Differences in power output (<i>p</i> < 0.001; <i>p</i> = 0.118), balance (<i>p</i> < 0.001; <i>p</i> = 0.771), functional movement (<i>p</i> = 0.002; <i>p</i> = 0.018), and flexibility (<i>p</i> < 0.001) were found between the two conditions. <b>Conclusions:</b> Decreased on-duty performance can affect officer safety and success. These results indicate the need for continued improvement of police officer safety equipment to ensure mobility and safety.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2025-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452377/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Personalized Physical Exercise Program Among Adolescent Girls: A Pilot Study.","authors":"Peter Petrovics, Balazs Sebesi, Zsolt Szekeres, Eszter Szabados, Anita Pálfi","doi":"10.3390/jfmk10030341","DOIUrl":"10.3390/jfmk10030341","url":null,"abstract":"<p><p><b>Objectives:</b> Adolescence is a pivotal stage of development characterized by significant physical, psychological, and social changes. Establishing healthy lifestyle habits during this period is crucial for long-term health and the prevention of chronic diseases. Despite this, global trends show a marked decline in physical activity among adolescents, particularly girls, who are more susceptible to sedentary behaviors. One potential site for intervention to eliminate physical inactivity at the population level is the school educational setting during childhood. Traditional school-based physical exercise programs often adopt a one-size-fits-all approach, which may not address the diverse needs and interests of students, leading to reduced motivation and participation. Personalized physical exercise programs, tailored to individual capabilities and preferences, offer a promising alternative to enhance physical fitness and foster lifelong engagement in physical activity. <b>Methods:</b> A total of 170 Hungarian high school girls (mean age ≈ 15.3 years) were randomly assigned to either a personalized physical exercise group or a control group following the standard curriculum. The intervention spanned two academic years and consisted of five traditional gym classes per week (control group) or three traditional and two individually tailored classes with cardiorespiratory and resistance training per week (intervention group), each lasting 45-60 min. Individual goals were set based on baseline assessments, emphasizing self-referenced progress. <b>Results:</b> The personalized physical exercise group showed significant improvements in body mass index (BMI), body fat percentage, maximum oxygen uptake capacity (VO₂max), muscular strength, and flexibility (<i>p</i> < 0.05), while the control group exhibited minimal or negative changes. <b>Conclusions:</b> The personalized physical exercise program has been shown to be more effective in achieving higher cardiorespiratory performance and favorable body composition among adolescent girls than a traditional school physical education class, highlighting its potential role in school settings.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2025-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452355/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effects of a Moderate-Intensity Interval Training Protocol on University Students' Body Composition: A Pilot Study.","authors":"Bastian Parada-Flores, Luis Valenzuela-Contreras, Cristian Martínez-Salazar, Pablo Luna-Villouta, Daniela Lara-Aravena, Constanza Pino-Bárcena, Sofía Saavedra-Godoy, Álvaro Levín-Catrilao, Rodrigo Vargas-Vitoria","doi":"10.3390/jfmk10030340","DOIUrl":"10.3390/jfmk10030340","url":null,"abstract":"<p><p><b>Background</b>: Unhealthy lifestyles have been reported among university students, characterized by excess body weight and physical inactivity, which affects body composition and increases the risk of non-communicable diseases. Physical exercise (PE) is an effective strategy for body reshaping; however, its demands and difficulties make its practice complex. Therefore, there was an interest in investigating the effects of a low-volume, moderate-intensity interval training (MIIT) protocol. <b>Methods</b>: A 5-week quasi-experimental study was conducted. Twelve university students (ten women and two men), aged 22 ± 3.4 years, engaged in low-level physical activity. The intervention group (n = 6) performed a MIIT protocol of 1' × 1' × 7' (seven series of 1 min of moderate-intensity exercise interleaved with a recovery period of 1 min) three times a week, while the control group (n = 6) continued with its regular activities. <b>Results</b>: Significant improvements were reported in body fat percentage (%BF) (<i>p</i> = 0.04; d = 0.9), fat mass (FM) (<i>p</i> = 0.00; d = 0.7) and recovery heart rate (RHR) (<i>p</i> = 0.001); d = 1) in the MIIT group compared with the pre-test and control group values. Furthermore, the body weight (<i>p</i> = 0.04) and body mass index (BMI) (<i>p</i> = 0.04) values also improved in the MIIT group, compared to the pre-test values. <b>Conclusions</b>: MIIT is an effective strategy for short-term improvement in body composition, as well as in anthropometric measures and fitness parameters, in university students with a low PAL. Its ease of applicability-based on low exercise volume and intensity-is notable, making it feasible of incorporation into student health programs.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452303/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Changes in Sprinting and Jumping Performance During Preseason in Professional Basketball Players.","authors":"Álvaro de Pedro-Múñez, Tania Álvarez-Yates, Virginia Serrano-Gómez, Oscar García-García","doi":"10.3390/jfmk10030339","DOIUrl":"10.3390/jfmk10030339","url":null,"abstract":"<p><p><b>Objectives</b>: Sprinting and jumping abilities are key determinants of basketball performance. This study aims to analyze changes in sprinting and jumping performance among professional basketball players during the preseason and to determine whether these adaptations are influenced by specific playing positions (Guards vs. Bigs). <b>Methods</b>: A total of 106 professional basketball players from European leagues were evaluated twice over a 6-week preseason. Neuromuscular assessments included linear sprints (5, 10, and 20 m), a change of direction test, curved sprints, and multiple jump tests: Squat Jump (SJ), Countermovement Jump (CMJ), Single-Leg CMJ (SL-CMJ) and Arm-Swing CMJ (CMJA), Single Leg Hop for Distance (SHDJ), Lateral Bound Jump (LBJ), and Single-Leg Repeated Jumps (SLRJ). The training program integrated 6-8 weekly basketball-specific technical-tactical sessions with two to three strength and conditioning sessions targeting maximal strength, power, and hypertrophy. <b>Results</b>: Players significantly improved linear and curved sprint performance, and jumping ability, particularly CMJ, CMJA, and right-leg SHDJ. Minimal changes were observed in SJ, LBJ, and SLRJ. Positional differences were small, with Guards showing greater gains in CMJA than Bigs (6.85% vs. 1.87%). <b>Conclusions</b>: A 6-week preseason training program may be associated with improvements in sprinting (linear 5, 10, 20 m, and curved sprint) and vertical jump performance (CMJ, CMJA, SHDJ) in professional basketball players, with limited influence of playing position. Guards appear to benefit more from arm-swing vertical jump development.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452378/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluating the Effects of a Progressive Kinesiotaping Treatment Protocol on Chronic Low Back Pain in Women Using Electroencephalography.","authors":"Ana Carolina F T Del Antonio, Tiago T Del Antonio, Marieli Ramos Stocco, Alex Silva Ribeiro, Nelson Morini Junior, Adriana Bovi, Claudia S Oliveira, Deise A A P Oliveira, Dante B Santos, Iransé Oliveira-Silva, Rodrigo F Oliveira, Luís V F Oliveira, Luciana Prado Maia, Rodrigo A C Andraus","doi":"10.3390/jfmk10030338","DOIUrl":"10.3390/jfmk10030338","url":null,"abstract":"<p><p><b>Objectives</b>: The central nervous system plays a fundamental role in chronic pain; however, its behavior in this condition remains unclear, especially when associated with interventions such as kinesiotaping (KT). This study aimed to analyze the effects of KT on the somatosensory cortex of women with chronic low back pain. <b>Methods</b>: This case series involved 15 women with chronic low back pain. Participants underwent a progressive-tension KT protocol for 8 weeks, and electroencephalogram recordings were performed in two positions, namely sitting and standing while load bearing (10% of body weight), in the first and eighth weeks. The following instruments were employed: Oswestry lumbar disability index, fear avoidance beliefs questionnaire, and the numerical pain intensity scale. <b>Results</b>: All participants showed significant pain improvement and a reduction in Oswestry disability index scores from moderate to minimal. Additionally, activity in the alpha band within the somatosensory cortex and insula (central region-represented by the electrode Cz) decreased. This was confirmed by reduced power spectral density, indicating diminished cortical activity in these regions. <b>Conclusions</b>: KT positively affects women with chronic low back pain, providing pain reduction and improved functional capacity, as indicated by the fear avoidance beliefs questionnaire and numerical pain intensity scale. Moreover, KT reduces cortical activity in the somatosensory cortex, which is related to the progression of painful sensations, described above after the intervention.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452476/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predicting Sleep Quality Based on Metabolic, Body Composition, and Physical Fitness Variables in Aged People: Exploratory Analysis with a Conventional Machine Learning Model.","authors":"Pedro Forte, Samuel G Encarnação, José E Teixeira, Luís Branquinho, Tiago M Barbosa, António M Monteiro, Daniel Pecos-Martín","doi":"10.3390/jfmk10030337","DOIUrl":"10.3390/jfmk10030337","url":null,"abstract":"<p><p><b>Background</b>: Sleep plays a crucial role in the health of older adults, and its quality is influenced by multiple physiological and functional factors. However, the relationship between sleep quality and physical fitness, body composition, and metabolic markers remains unclear. This exploratory study aimed to investigate the associations between sleep quality and physical, metabolic, and body composition variables in older adults, and to evaluate the preliminary performance of a logistic regression model in classifying sleep quality. <b>Methods</b>: A total of 32 subjects participated in this study, with a mean age of 69. The resting arterial pressure (systolic and diastolic), resting heart rate, anthropometrics (high waist girth), body composition (by bioimpedance), and physical fitness (Functional Fitness Test) and sleep quality (Pitsburg sleep-quality index) were evaluated. Group comparisons, associative analysis and logistic regression with 5-fold stratified cross-validation was used to classify sleep quality based on selected non-sleep-related predictors. <b>Results</b>: Individuals with good sleep quality showed significantly better back stretch (t = 2.592; <i>p</i> = 0.015; η² = 0.239), lower limb strength (5TSTS; t = 2.564; <i>p</i> = 0.016; η² = 0.476), and longer total sleep time (t = 6.882; <i>p</i> < 0.001; η² = 0.675). Exploratory correlations showed that poor sleep quality was moderately associated with reduced lower-limb strength and mobility. The logistic regression model including 5TSTS and TUG achieved a mean accuracy of 0.76 ± 0.15, precision of 0.79 ± 0.18, recall of 0.83 ± 0.21, and AUC of 0.74 ± 0.16 across cross-validation folds. <b>Conclusions</b>: These preliminary findings suggest that physical fitness and clinical variables significantly influence sleep quality in older adults. Sleep-quality-dependent patterns suggest that interventions to improve lower limb strength may promote better sleep outcomes.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2025-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452653/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pregnancy and Lactation-Associated Osteoporosis: Combined Pharmacological and Rehabilitative Management.","authors":"Rossana Gnasso, Ayda Tavakkolifar, Andrea Esposito, Antonella Malinconico, Giuseppe Esposito, Lucia Taddeo, Stefano Palermi, Alessandro Nunzio Velotti, Antonio Picone, Carlo Ruosi","doi":"10.3390/jfmk10030336","DOIUrl":"10.3390/jfmk10030336","url":null,"abstract":"<p><p><b>Background</b>: Pregnancy and lactation-associated osteoporosis is a rare cause of severe skeletal fragility in young women typically presenting with vertebral compression fractures during late pregnancy or postpartum. Its rarity and lack of risk factors often delay diagnosis. <b>Case presentation</b>: The patient was a 34-year-old pregnant Italian woman, presenting with severe osteoporosis related to pregnancy and lactation. The patient presented for the first time at the Outpatient clinic of the Rehabilitation Unit in the Department of Public Health at the University of Federico II, Naples in March 2024, exhibiting severe symptoms indicative of osteoporosis, along with acute lower back pain. During the anamnesis, it was revealed that the patient was unable to bend forward, with reduced flexion and extension movements. The symptoms began during the third trimester. <b>Management and diagnosis</b>: In terms of diagnosis, clinical exams were conducted to confirm the disease. The MRI exam showed fractures and vertebral variations, with significant findings including calcification. Additionally, DXA indicated lower values compared to normal Treatment included: breastfeeding cessation, correction of calcium and vitamin D deficiencies, and bisphosphonate injection therapy. It is noteworthy that the rehabilitative approach has been recommended throughout pharmacological treatment and especially upon its suspension. Ultimately, the primary cause of this condition was pregnancy as bone resorption increases during pregnancy. <b>Outcome</b>: Following clodronate treatment completion, the patient showed full clinical recovery and significant radiological improvement. Follow-up DXA one year after diagnosis revealed normalized bone density and the patient had gained autonomy in activities of daily living with no further symptoms.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2025-08-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452295/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Young Athletes Perceiving Greater Improvement After Return to Sport Bridge Program Sustained More Ipsilateral ACL Graft or Contralateral ACL Injuries During Their First Season Back: An Observational Study.","authors":"John Nyland, Brandon Pyle, Samuel Carter, Ryan Krupp, David N M Caborn","doi":"10.3390/jfmk10030335","DOIUrl":"10.3390/jfmk10030335","url":null,"abstract":"<p><p><b>Objective:</b> Anterior cruciate ligament (ACL) graft failure or contralateral ACL injury after returning to sport (RTS) post-ACL reconstruction remains problematic. Re-injury prevention programs that \"bridge\" standard physical therapy and release to unrestricted sports participation can help. This observational study evaluated the characteristics of athletes who sustained an ipsilateral ACL graft or contralateral ACL injury after RTS bridge program participation. <b>Materials and Methods:</b> Comparisons were made between RTS bridge program participants who either had or had not sustained an ipsilateral ACL graft or contralateral ACL injury following RTS. Post-program objective physical function tests, pre- and post-program Knee Outcome Survey Sports Activity Scale (KOS-SAS), global sports activities knee function scores, sports activities knee function rating improvements, and post-program sport performance ability perceptions were evaluated. <b>Results:</b> A total of 204 athletes (19.7 ± 6 years of age, 108 males) completed the RTS bridge program and were released back to sports at 8.5 ± 2.3 months post-surgery. Groups had similar pre-morbid performance level restoration perceptions. Taller and heavier male athletes displayed greater single leg triple hop for distance magnitude, and quicker single leg timed hop, single leg timed crossover hop, and NFL 5-10-5 and NFL \"L\" times. Bilateral physical function test symmetry results did not differ between groups. By 7.8 ± 4 years post-surgery, 17 subjects sustained either ipsilateral ACL graft injury (<i>n</i> = 6) or contralateral ACL injury (<i>n</i> = 11), with a similar frequency between males and females (<i>p</i> = 0.30). Athletes who sustained an ipsilateral ACL graft or contralateral ACL injury were younger, and more often scored ≥ 25th percentile for post-program global sports activities knee function and KOS-SAS scores; more frequently had two-level overall sports activities knee function rating improvements; and tended to sustain this new knee injury during the initial RTS season. <b>Conclusions:</b> Factors other than physical function or performance capability may possess a strong influence on ipsilateral ACL graft or contralateral ACL injury following RTS bridge program participation.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452617/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Strength-Dependent Differences in the Magnitude and Time Course of Post-Activation Performance Enhancement in High Jump Athletes.","authors":"Javier Sanchez-Sanchez, Alejandro Rodríguez-Fernández","doi":"10.3390/jfmk10030333","DOIUrl":"10.3390/jfmk10030333","url":null,"abstract":"<p><p><b>Background</b>: A post-activation performance enhancement (PAPE) can acutely improve explosive actions, but its time course may be influenced by individual strength levels. <b>Objectives</b>: The aim of this study was to analyze the performance responses following three PAPE protocols, considering the strength level as a modulating factor in trained high jump athletes. <b>Methods</b>: Twenty-one male high jumpers (Tier 3) were divided into stronger (SG, n = 10) and weaker (WG, n = 11) groups based on the median load (80 kg) lifted at 0.8 m/s in a velocity-based half-squat test. The participants completed three squat-based PAPE protocols (velocity loss thresholds of 5%, 10%, and 15%) in a randomized, double-blind crossover design. Their performance in a 10 m sprint (S10) and a countermovement jump (CMJ) was assessed at baseline and 0, 4, 8, and 12 min post-intervention. <b>Results</b>: No significant three-way interactions were observed for the S10 or CMJ performance (<i>p</i> > 0.05). The absolute CMJ performance was consistently higher in the SG across all the time points (<i>p</i> < 0.001, d = 1.25, large), with significant peak values observed at 4 min post-activation. However, both groups exhibited transient improvements in their S10 and CMJ performance that were statistically significant (<i>p</i> < 0.05) and of a large magnitude (d = 1.93-3.15), observed at 4 and/or 8 min post-activation, which subsequently declined by 12 min. <b>Conclusions</b>: The strength level modulates both the time course and the magnitude of the PAPE. Stronger athletes responded better to both less and more demanding protocols (5% to 15% velocity loss thresholds) with a 4-8 min recovery, whereas weaker athletes benefited mainly from less demanding stimuli (5% velocity loss thresholds), provided that the recovery was sufficient (≈4 min) to allow potentiation to emerge. However, with more demanding protocols (15% velocity loss thresholds), a longer recovery period (≈8 min) appears necessary.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452759/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association Between Balance and Hip Muscle Strength in Inline Skaters.","authors":"Lara Sánchez Torres, Iván Nácher Moltó, José A Navia, Javier Reina Abellán","doi":"10.3390/jfmk10030331","DOIUrl":"10.3390/jfmk10030331","url":null,"abstract":"<p><p><b>Background</b>: Inline skating has rapidly grown in popularity. Early research primarily focused on injury patterns and protective measures. However, its biomechanical similarity to other skating modalities enables the synthesis of existing evidence, emphasizing key physical attributes essential for performance, namely, balance and the strength of the hip adductor and abductor muscles. The interaction between these muscle groups in relation to balance has not yet been examined in inline skaters. This study aimed to investigate the relationship between single-leg static balance and the isometric strength of the hip adductors and abductors, including their strength ratio. <b>Methods</b>: A total of 191 amateur inline skaters (aged 18 to 59 years) were evaluated. Balance was assessed through center of pressure displacement using the Footscan^® 9 platform, and the maximal isometric strength of the hip adductors and abductors was measured using a handheld dynamometer. A linear regression on the center of pressure (CoP) displacement was performed. <b>Results</b>: Age, sex, and skating frequency were the most influential predictors (<i>p</i> < 0.001), although strength variables also significantly predicted the CoP (<i>p</i> <0.05). <b>Conclusions</b>: Superior balance performance was observed in younger individuals, women, and those practicing five or more days a week. Furthermore, single-leg static balance was associated with an equilibrium between adductor/abductor strength, particularly when a low ratio was accompanied by high levels of hip adductor strength.</p>","PeriodicalId":16052,"journal":{"name":"Journal of Functional Morphology and Kinesiology","volume":"10 3","pages":""},"PeriodicalIF":2.5,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12452686/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145113241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}