Lale Pooryamanesh, Fariborz Hovanloo, Erik A Wikstrom
{"title":"Hop Stabilization Training Improves Functional Movement Patterns and Quality of Life in Female Athletes With Chronic Ankle Instability.","authors":"Lale Pooryamanesh, Fariborz Hovanloo, Erik A Wikstrom","doi":"10.1123/jsr.2024-0305","DOIUrl":"https://doi.org/10.1123/jsr.2024-0305","url":null,"abstract":"<p><strong>Context: </strong>Chronic ankle instability (CAI) is a common consequence of a lateral ankle sprain. Sex differences in functional outcomes exist, but there is a lack of female-specific intervention studies. Hop stabilization training is effective in male athletes with CAI but has not been investigated in female athletes. Therefore, the purpose of this investigation was to describe the effect of hop stabilization exercises on functional movement patterns and patient-reported outcomes in female athletes with CAI. We also compared the current effect sizes with those observed in an all-male cohort following an identical intervention.</p><p><strong>Design: </strong>Randomized controlled trial.</p><p><strong>Methods: </strong>Fourteen female CAI participants completed hop stabilization training (age = 25.29 [5.86] y), and 14 female CAI participants were in the control group (age = 24.73 [6.97] y). Inclusion criteria were consistent with the International Ankle Consortium recommendations. The hop stabilization program consisted of three 20-minute sessions per week for 6 weeks. Sessions consisted of increasing foot-to-ground contacts each week until a taper in the final week. Exercise difficulty was also modified throughout the program. Functional movement patterns via the Functional Movement Screen and Fusionetics Scores, dorsiflexion range of motion, and select region-specific patient-reported outcomes were captured.</p><p><strong>Results: </strong>The hop training group (pre: 12.68 [1.32] cm, post: 13.42 [1.35] cm) had a significant improvement (P< .001) in dorsiflexion range of motion relative to the control group (pre: 13.62 [1.22] cm, post: 13.68 [1.16] cm). Hop training also significantly improved (P,<0.01) functional movement patterns and all patient-reported outcomes. Relative to an all-male cohort who previously underwent the same hop stabilization program, the current female cohort demonstrated larger effect sizes, but all 95% CIs overlapped.</p><p><strong>Conclusions: </strong>A 6-week hop training program significantly improves patient-reported outcomes, dorsiflexion range of motion, and functional movement patterns in female athletes with CAI .</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-7"},"PeriodicalIF":1.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143774635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Erik A Wikstrom, M Spencer Cain, Kyeongtak Song, Brian Pietrosimone, J Troy Blackburn, Jason R Franz, Kimmery Migel, Jaeho Jang, Feng-Chang Lin
{"title":"Impact of Plantar Massage and Ankle Mobilization on Visual Reliance in Those With Chronic Ankle Instability: A Randomized Controlled Trial.","authors":"Erik A Wikstrom, M Spencer Cain, Kyeongtak Song, Brian Pietrosimone, J Troy Blackburn, Jason R Franz, Kimmery Migel, Jaeho Jang, Feng-Chang Lin","doi":"10.1123/jsr.2024-0299","DOIUrl":"https://doi.org/10.1123/jsr.2024-0299","url":null,"abstract":"<p><strong>Context: </strong>Those with chronic ankle instability (CAI) rely more on visual information to maintain postural control. Plantar massage and ankle joint mobilization are moderately successful at improving CAI-associated postural control impairments. Manual therapies may have a larger influence on the underlying sensory strategy used to maintain postural control, but their effect on these strategies remains unknown.</p><p><strong>Objective: </strong>To evaluate the effects of separate 2-week plantar massage and ankle joint mobilization interventions on estimates of visual reliance during single-limb stance in those with CAI and determine whether changes in visual reliance estimates were driven by concurrent changes in peripheral- or spinal-level sensorimotor function.</p><p><strong>Design: </strong>Randomized controlled clinical trial.</p><p><strong>Setting: </strong>Research laboratory.</p><p><strong>Patients: </strong>Sixty participants with CAI.</p><p><strong>Interventions: </strong>Participants were equally randomized into plantar massage, ankle joint mobilization, and control (no intervention) groups. The manual therapy groups received six 5-minute treatments of their respective interventions over a 2-week period.</p><p><strong>Main outcome measure: </strong>A percentage modulation outcome quantified an individual's reliance on visual information by estimating the weight given to visual information during eyes-open stance based on the magnitude of postural instability that occurs with vision removed. Secondary measures included joint position sense, plantar light-touch thresholds, and the H-reflex. Outcomes were captured before (baseline), immediately after (post), and 1-month (follow-up) after the 2-week intervention.</p><p><strong>Results: </strong>Plantar massage resulted in significant percentage modulation changes in sagittal (P ≤ .046) but not frontal plane outcomes (P ≥ .069) relative to the control group. Joint mobilization did not alter percentage modulation changes (P ≥ .413). Significant correlations between percentage modulation changes and peripheral sensorimotor function were noted primarily at the 1-month follow-up.</p><p><strong>Conclusions: </strong>A 2-week plantar massage but not an ankle joint mobilization intervention alters sagittal plane percentage modulation values during single-limb stance in those with CAI. These changes may be driven by changes in peripheral sensorimotor function.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-13"},"PeriodicalIF":1.3,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143774636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kathleen R Dondero, Dakota T Siok, Hannah A Zabriskie, Davi A G Mázala, Devon A Dobrosielski, Odessa Addison, Rian Q Landers-Ramos
{"title":"Acute Changes in Muscle Thickness and Quality Following Dynamic Bodyweight Exercise in Recreationally Trained Adults.","authors":"Kathleen R Dondero, Dakota T Siok, Hannah A Zabriskie, Davi A G Mázala, Devon A Dobrosielski, Odessa Addison, Rian Q Landers-Ramos","doi":"10.1123/jsr.2024-0015","DOIUrl":"https://doi.org/10.1123/jsr.2024-0015","url":null,"abstract":"<p><strong>Context: </strong>Musculoskeletal ultrasound imaging is a valid and reliable tool to measure muscle morphology, but minimal research explores its utility in assessing acute morphology changes after exercise in active populations. The purpose of this study was to assess changes in ultrasound-based measures of muscle thickness (MT) and quality (MQ) in response to a single bout of short-duration, high-intensity bodyweight exercise in the acute and postacute recovery timeframe.</p><p><strong>Design: </strong>Interventional study.</p><p><strong>Methods: </strong>Nineteen healthy, recreationally active young men and women (27.1 [8.3] y) completed a dynamic bodyweight exercise circuit primarily focused on the lower body. B-mode ultrasound images were obtained of the rectus femoris in resting and contracted conditions preexercise, ∼15 minutes, and 24 hours postexercise. Knee-extensor strength and MQ (muscle strength [in newtons]/resting MT [in centimeters]) were also assessed at the same timepoints.</p><p><strong>Results: </strong>Resting and contracted MT increased (13.0%; 6.9%) from pre- to 15 minute postexercise, returning to baseline at 24 hours postexercise. Δ MT decreased (-24.5%) from pre- to 15 minutes postexercise and was not different from either 15 minutes postexercise or baseline by the 24-hour timepoint. Knee extension strength and MQ decreased (-15.6%; 24.2%) from pre- to 15 minutes postexercise and remained below baseline at 24 hours postexercise.</p><p><strong>Conclusion: </strong>MT measures alone suggested faster recovery from an exercise circuit than knee-extensor strength or MQ, though the combined metric of MQ may be useful for longitudinal monitoring of muscle recovery timelines in rehabilitation programs.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-7"},"PeriodicalIF":1.3,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143711916","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cross-Cultural Adaptation, Validity, and Reliability of the Turkish Version of the Cumberland Ankle Instability Tool for Athletes.","authors":"Elif Aleyna Yazgan, Dilber Karagözoğlu Coşkunsu, Arzu Razak Özdinçler","doi":"10.1123/jsr.2024-0385","DOIUrl":"https://doi.org/10.1123/jsr.2024-0385","url":null,"abstract":"<p><strong>Context: </strong>To cross-cultural translate the Cumberland Ankle Instability Tool (CAIT) to Turkish version (CAIT-T) and to evaluate the validity, reliability, and cutoff score of CAIT-T for Turkish athletic population.</p><p><strong>Design: </strong>The English version of CAIT was translated to CAIT-T based on a guideline of cross-cultural adaptation. Fifty-two athletes with chronic ankle instability and 63 athletes without chronic ankle instability were included in the study. Construct validity was evaluated with correlations between the CAIT-T, Turkish version of Foot Ankle Ability Measure (FAAM-T), and Numeric Rating Scale. CAIT-T was completed twice by each participant at 7 to 10 days intervals to assess test-retest reliability based on the intraclass correlation coefficient, whereas Cronbach alpha evaluated internal consistency. Discriminative validity and content validity of the CAIT-T also evaluated.</p><p><strong>Results: </strong>In construct validity, strong positive correlation was found between CAIT-T and Numeric Rating Scale perceived ankle instability (rho = -.771, P < .001), as well as moderate negative correlations with FAAM-T-activities of daily living and FAAM-T-sports (rho = -.448, P < .001 and rho = -0.541, P < .001, respectively). The CAIT-T demonstrated strong test-retest reliability (intraclass correlation coefficient score of .98) with a good internal consistency (Cronbach α: .85). Receiver operating characteristic curve showed a cutoff score of 26.5 (Youden index: 0.78, sensitivity: 0.57, specificity: 0.90.5). No ceiling or floor effects were observed.</p><p><strong>Conclusions: </strong>CAIT-T is a valid and reliable questionnaire for the assessment of chronic ankle instability in the Turkish athletic population.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-7"},"PeriodicalIF":1.3,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143711918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effects of Landing Impacts and Running on Balance Error Scoring System Performance.","authors":"Barry A Munkasy, Thomas A Buckley","doi":"10.1123/jsr.2024-0314","DOIUrl":"https://doi.org/10.1123/jsr.2024-0314","url":null,"abstract":"<p><strong>Context: </strong>The Balance Error Scoring System (BESS) is the most commonly used balance test during concussion assessment; however, the test has known limitations related to fatigue. Jumping and landing along with running are common athletic activities that adversely affect postural control. However, the effect of neither subexertional running nor jumping and landing tasks on the BESS is known. Therefore, the purpose of this study was to investigate the effects of a brief exercise bout of running or jumping on BESS performance.</p><p><strong>Design: </strong>We recruited 52 recreationally active participants who were divided into 3 groups: (1) Drop Jump (Landing), Treadmill Running (Run), and Control.</p><p><strong>Methods: </strong>All participants performed a preintervention BESS test and were then randomly assigned to a group. The jumping group performed 10 drop jumps from a 50 cm box, 30 seconds between trials, the running group performed a 3-minute treadmill run, and the control group sat quietly for 5 minutes. All participants then completed a second BESS test. The primary analysis was a 2 (time) by 3 (group) repeated-measure analysis of variance with sex as a covariate.</p><p><strong>Results: </strong>There was a significant interaction (F = 7.396, P = .002). On post hoc, there was a significant improvement (lower) score in the Control group (PRE: 13.9 [4.5]; POST: 10.5 [2.9]; P = .019, d = 0.89) but no significant differences in either the running (P = .579) or landing (P = .849) groups.</p><p><strong>Conclusions: </strong>A relatively brief exercise intervention resulted in participants failing to improve a subsequent BESS assessment, whereas control participants who rested for 5 minutes committed fewer (3.4) errors. These results suggest that sports health care providers should recognize that even low- to moderate-intensity brief exercise can result in a failure to improve with repeat BESS administration.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-5"},"PeriodicalIF":1.3,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143671380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Countermovement Jump Performance Is Altered by Visual and Auditory Cognitive Dual Tasking in Recreationally Active Young Adults: A Cross-Sectional Study.","authors":"Jacob M Thomas, Jamie B Hall, Trent M Guess","doi":"10.1123/jsr.2024-0265","DOIUrl":"https://doi.org/10.1123/jsr.2024-0265","url":null,"abstract":"<p><p>In sports settings, it is important to understand and assess the effects of cognitive-motor interference on sport-specific tasks throughout strength and conditioning programs to better represent the athletic environment. This study used a low-cost movement assessment system, the Mizzou Point-of-care Assessment System, to measure the effects of visual and auditory cognitive-motor dual tasking on countermovement jump (CMJ) performance. Thirty-one recreationally active adults (21.1 [1.9] y, 168.9 [11.8] cm, 69.1 [13.6] kg) participated. Participants performed 3 trials of CMJ under 3 conditions: control, audio dual tasking, and visual dual tasking. Tasks were assessed using a low-cost system comprising a custom force plate, depth camera, and interface board. Repeated-measures analysis of variance with post hoc t tests revealed significant decreases in several kinematic and kinetic outcome measures, including time in the concentric phase (in seconds; 95% CI mean difference audio-control = -0.045 to 0.0054; visual-control = -0.045 to 0.0054), time to takeoff (in seconds; audio-control = -0.026 to 0.086; visual-control = -0.026 to 0.086), jump height (in meters; audio-control = -0.0081 to 0.048; visual-control = -0.01 to 0.05), maximum knee flexion (in degrees) at jump (audio-control = 1.47 to 9.89; visual-control = -1.58 to 9.66), hip flexion (in degrees) at maximum knee flexion during jump (audio-control = 0.00 [0.00 to 0.00]; visual-control = 0.00 [0.00 to 0.00]), and several others for both dual tasking conditions compared with control but not between audio and visual conditions. Results indicate that both dual task conditions negatively impact CMJ performance and that their effects can be effectively quantified using a low-cost assessment tool.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-10"},"PeriodicalIF":1.3,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143665220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Raiane Carvalho, Marina Saldanha da Silva Athayde, Jaime Roberto Bragança, Daniele Detanico, Rafael Lima Kons
{"title":"Physical Fitness, Interlimb Asymmetry, and Injury Reports in Judo Athletes With Vision Impairments: A Cross-Sectional Study.","authors":"Raiane Carvalho, Marina Saldanha da Silva Athayde, Jaime Roberto Bragança, Daniele Detanico, Rafael Lima Kons","doi":"10.1123/jsr.2024-0063","DOIUrl":"https://doi.org/10.1123/jsr.2024-0063","url":null,"abstract":"<p><strong>Context: </strong>Investigating parameters related to physical capacities, muscular imbalance between the limbs, and injury reports in judo athletes with vision impairments (VI) is something extremely relevant for competitive performance, especially considering the absence of vision, which can be a determining factor in these aspects. For this, this study aimed to explore the interlimb asymmetry and bilateral strength index in upper and lower limbs in judo athletes with VI and describe the injury reports and the association with the muscular imbalance.</p><p><strong>Design: </strong>A cross-sectional study.</p><p><strong>Methods: </strong>Eighteen judo athletes with VI participated in this cross-sectional study. Athletes performed the following physical tests: handgrip strength, countermovement jump, and medicine ball throw. All tests were performed unilaterally and bilaterally to calculate the interlimb asymmetry and the bilateral strength index. After this, an injury questionnaire was applied, considering injuries that occurred in the previous 6 months. Student t tests and chi-square tests were used to compare groups and test the associations between injury reports, adopting the level of 5%.</p><p><strong>Results: </strong>The results demonstrated that performance was higher for male compared with female athletes (P < .05) and asymmetry was influenced by sex (higher for male; P < .05) and the origin of the impairment (higher for acquired; P < .05). Furthermore, the bilateral strength deficit was more present in injured groups (mainly in medicine ball throw and countermovement jump). Finally, the most common mechanism of injury was direct contact with another athlete.</p><p><strong>Conclusion: </strong>Muscle imbalances were identified in male and female VI judo athletes and seem to be related to injury reports.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-10"},"PeriodicalIF":1.3,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143659577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Successful Rehabilitation Following Stem Cell Therapy for Large Knee Osteochondritis Dissecans in an Adolescent Wrestler.","authors":"Han Soo Park, Jae Keun Oh","doi":"10.1123/jsr.2024-0245","DOIUrl":"https://doi.org/10.1123/jsr.2024-0245","url":null,"abstract":"<p><strong>Context: </strong>Detailed rehabilitation protocols after stem cell treatment are lacking. This case highlights the rehabilitation of a patient treated with human umbilical cord blood-derived mesenchymal stem cell implantation for a large osteochondritis dissecans lesion of the knee.</p><p><strong>Case presentation: </strong>A 17-year-old male adolescent wrestler experienced persistent left knee pain for 1 year, unresponsive to 6 months of conservative treatment. MRI revealed a large osteochondritis dissecans lesion (38 × 18 mm) in the lateral femoral condyle, which was treated with human umbilical cord blood-derived mesenchymal stem cell implantation.</p><p><strong>Management and outcomes: </strong>Rehabilitation was conducted in 4 phases. The protection phase (1-8 wk) emphasized weight-bearing restrictions, continuous passive motion, and early gait training. The gait recovery phase (9-12 wk) incorporated stationary cycling and open kinetic chain exercises. During the maturation phase (13-24 wk), maximal strength and proprioception exercises were introduced with antigravity treadmill running. The final recovery phase (24-52 wk) focused on plyometric drills and sport-specific activities. Team training resumed at 32 weeks, and return to full competitive training occurred at 52 weeks. The limb symmetry index for isokinetic knee-extensor strength and single-leg hop test reached 95.2% and 97.9%, respectively, by 12 months, indicating near-complete functional recovery. The modified MRI of cartilage repair tissue score improved from 40 to 60 points between 1 and 3 years postsurgery. Second-look arthroscopy revealed an International Cartilage Repair Society grade 1 at 35 months. International Knee Documentation Committee scores increased from 17.2 preoperatively to 98.9 at 2 years, while visual analog scale scores decreased from 10 to 2 over 3 years.</p><p><strong>Conclusions: </strong>Accelerated weight bearing, early gait training, and phased strength exercises facilitated substantial improvements in function and cartilage healing in an adolescent wrestler with a large osteochondritis dissecans lesion. Further studies with larger cohorts are recommended to confirm these findings.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-6"},"PeriodicalIF":1.3,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143525205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Exploring New Frontiers in Concussion Rehabilitation.","authors":"Johna K Register-Mihalik, David R Howell","doi":"10.1123/jsr.2025-0059","DOIUrl":"10.1123/jsr.2025-0059","url":null,"abstract":"","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"191-193"},"PeriodicalIF":1.3,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143517142","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Effects of Different Core Stability Training on Trunk Stability and Athletic Performance in Adolescent Female Basketball Players.","authors":"Ian-Ju Liang, Linda L Lin, Chen-Chia Huang","doi":"10.1123/jsr.2024-0037","DOIUrl":"10.1123/jsr.2024-0037","url":null,"abstract":"<p><strong>Purpose: </strong>Trunk function is not only related to physical fitness performance, but also important for the balance, and stability of the whole body. This study aimed to investigate the effects of 2 training methods on trunk stability and athletic performance in adolescent female basketball players.</p><p><strong>Methods: </strong>Fifty-one healthy elite female basketball players (age: 14.76 [1.84] y, body mass index: 21.41 [1.96] kg/m2) were assigned to TRX training (n = 17), Swiss ball training (n = 17), or control groups (n = 17). Participants performed a progressive program of unstable core muscle training consisting of 8 different exercises, with each exercise performed in 3 sets, twice a week for 8 weeks. The outcome measures were a plank test, the modified double leg lowering task, and athletic performance including jumping, speed, agility, cardiopulmonary endurance, and the ankle proprioception.</p><p><strong>Results: </strong>Significant group and time interaction were identified in the modified double leg lowering task (P = .032, η2 = .134), with post hoc comparisons revealing improvements in the TRX group (P = .014). The TRX group (8.6%) improved significantly more than the Swiss ball group (2.9%) when it comes to the modified double leg lowering average change percentage. The plank test also exhibited a significant group and time interaction (P = .033, partial η2 = .133), with notable improvements in both the Swiss ball (P = .001) and the TRX groups (P = .001). Athletic performance measures showed no significant differences among groups.</p><p><strong>Conclusions: </strong>The results indicate that both TRX and Swiss ball training can increase core muscle strength and stability without compromising athletic performance after 8 weeks of training. Furthermore, incorporating core muscle training enhances power transmission capabilities. Nevertheless, considering the goal was to improve speed and ankle proprioception during preseason training, careful consideration must be given to the timing and intensity of any intervention involving unstable core muscle training.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"747-753"},"PeriodicalIF":1.5,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143517180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}