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- MakaleAçık Erişim2025Scopus SJRQ3COMPARISON OF INSTANT EFFECT OF LUMBAL AND SACROILAC SPINAL MANIPULATION ON FLEXIBILITY AND JUMPING PERFORMANCE IN PROFESSIONAL SOCCER PLAYERS
Dönmez, Beyza; Hatik, Sefa Haktan; Büyükkirli, Ilker Can; Aydin, Emine Busra
Recent evidence suggests that spinal manipulation can acutely improve mobility and lower-limb performance. This study compared the acute effects of lumbar and sacroiliac chiropractic manipulation on flexibility nd jump performance. Forty-five healthy male participants were randomly assigned to three groups: a Lumbar Manipulation Group (LMG; n = 15), a Sacroiliac Manipulation Group (SMG; n = 15), and a Control Group (n = 15). Flexibility was assessed using the V-Sit and Reach test, while performance was evaluated with vertical and horizontal jump tests. Lumbar manipulation was applied to the dysfunctional lumbar segment in the LMG, and sacroiliac joint manipulation was applied to the dysfunctional sacroiliac region in the SMG. No intervention was performed in the control group. Both manipulation techniques resulted in significant acute improvements in mobility and jump performance compared with the control group (p < 0.05), with the greatest improvement observed in vertical jump height (p = 0.001). No significant differences were found between the LMG and SMG. Spinal manipulation to the lumbar and sacroiliac regions appears to produce acute improvements in mobility and lower-limb power. These findings suggest that spinal manipulation may serve as a short-term performance-enhancing intervention.
- MakaleAçık Erişim2022Scopus SJRQ4Evaluation of Lower Extremity Muscles Shortness, Flexibility, and Hypermobility in Adults with Asymptomatic Sacroiliac Joint Dysfunction
Narin, Ayşe Neriman; Yazgan Dağli, Beyza; Vural Cömert, Aysun; Bahar, Betül; Özturan, Kutay Engin
Objective: (a) To investigate the presence of sacroiliac joint dysfunction in asymptomatic individuals and (b) to compare lower limb muscle shortness, flexibility of hamstring and erector spinae muscles, and hypermobility between subjects with and without asymptomatic sacroiliac joint dysfunction. Material and Methods: A total of 54 healthy young adults subjects were included in the study. The subjects were assessed with the sacroiliac joint diagnostic procedure. The seated flexion test, the standing flexion test, the Gillet test, and bilateral bony landmark examination were performed by an expert investigator. According to the positivity of at least 3 of these tests, the subjects were divided into 2 groups, the asymptomatic sacroiliac joint dysfunction group and the control group. The shortness of tensor fasciae latae and iliopsoas muscles was evaluated with the modified Ober test and the modified Thomas test. The straight leg raise test and fingertip-to-floor test were carried out for hamstring and erector spinae muscles flexibility, while hypermobility was assessed according to the Beighton criteria. Results: The asymptomatic sacroiliac joint dysfunction was diagnosed in 38% of healthy adults. There was no statistical difference in the shortness of tensor fasciae latae and iliopsoas muscles between the asymptomatic sacroiliac joint dysfunction group and the control group (P > 0.05). Similarly, there was no difference between the groups in terms of the hamstring and erector spinae muscles flexibility, and the Beighton scores (P > 0.05). Conclusion: This study emphasized that asymptomatic sacroiliac joint dysfunction might be seen in healthy young adults without the difference in shortness and flexibility in the lower extremity and hypermobility.
