Neuromuscular disturbances in adolescent idiopathic scoliosis observed from the anticipatory muscle activations in scapula stabilizers: a cross-sectional study
Abstract Background While it is well-stablished that scoliosis can lead to neuromuscular control disorders, the specific characteristics of these impairments remain unclear. This study aimed to explore the neuromuscular features of scapula stabilizers in adolescents with idiopathic scoliosis (AIS) t...
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2024-12-01
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| Series: | BMC Musculoskeletal Disorders |
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| Online Access: | https://doi.org/10.1186/s12891-024-08137-y |
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| author | Yu Wang Nan Xia Minghui Gu Zejian Chen Jiang Xu Li Wang Yi Liao Lingfeng Xie Xiaolin Huang |
| author_facet | Yu Wang Nan Xia Minghui Gu Zejian Chen Jiang Xu Li Wang Yi Liao Lingfeng Xie Xiaolin Huang |
| author_sort | Yu Wang |
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| description | Abstract Background While it is well-stablished that scoliosis can lead to neuromuscular control disorders, the specific characteristics of these impairments remain unclear. This study aimed to explore the neuromuscular features of scapula stabilizers in adolescents with idiopathic scoliosis (AIS) through an analysis of anticipatory muscle activations (AMAs). Methods A cross-sectional observational study was conducted with 17 AIS and 19 age-matched healthy subjects. Both the AIS and healthy groups performed right and left upper limb reaching tasks at three different heights while surface electromyography monitored the activity of scapular stabilizers. The muscles examined included the bilateral infraspinatus, upper trapezius, lower trapezius, serratus anterior, latissimus dorsi and the anterior deltoid. The incidence, onset latencies, and amplitude of AMAs were compared between the AIS and healthy groups. Results Among scapular stabilizers, ipsilateral upper trapezius (iUT) and ipsilateral infraspinatus (iIS) exhibited the highest AMAs incidence at 72.59% and 70.06%, respectively. However, AMAs incidence significantly declined on the concave side of the thoracic curve in AIS group, particularly in iUT (55.63 ± 14.74 vs. 45.21 ± 19.92, t = 2.330, P = 0.034) and iIS (59.38 ± 20.16 vs. 48.13 ± 22.11, t = 2.316, P = 0.035). Regarding onset latencies, the AIS group exhibited delayed activation of ipsilateral lower trapezius (F = 3.586, P < 0.05, η2 p = 0.006) and advanced activation of contralateral upper trapezius (F = 7.753, P < 0.001, η2 p = 0.027) and contralateral infraspinatus (F = 6.554, P < 0.01, η2 p = 0.024) on concave side compared to the healthy group. Additionally, almost all scapula stabilizers in AIS group exhibited reduction of AMAs amplitude compared to the healthy group. Conclusions This preliminary study suggests potential neuromotor control impairments in the AIS population, as indicated by observed trends in the incidence, amplitude, and timing of AMAs in scapular stabilizers. These preliminary insights may inform the design of future rehabilitation interventions, with attention to neurodevelopmental needs during adolescence. Trial registration number ChiCTR2300075167, Date: 2023-08-28. |
| format | Article |
| id | doaj-art-62406d25f88a4cc59dc0e75b347cd5bd |
| institution | OA Journals |
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| publishDate | 2024-12-01 |
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| series | BMC Musculoskeletal Disorders |
| spelling | doaj-art-62406d25f88a4cc59dc0e75b347cd5bd2025-08-20T02:32:25ZengBMCBMC Musculoskeletal Disorders1471-24742024-12-0125111210.1186/s12891-024-08137-yNeuromuscular disturbances in adolescent idiopathic scoliosis observed from the anticipatory muscle activations in scapula stabilizers: a cross-sectional studyYu Wang0Nan Xia1Minghui Gu2Zejian Chen3Jiang Xu4Li Wang5Yi Liao6Lingfeng Xie7Xiaolin Huang8Department of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyDepartment of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyDepartment of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyDepartment of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyDepartment of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyDepartment of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyDepartment of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyDepartment of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyDepartment of Rehabilitation Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyAbstract Background While it is well-stablished that scoliosis can lead to neuromuscular control disorders, the specific characteristics of these impairments remain unclear. This study aimed to explore the neuromuscular features of scapula stabilizers in adolescents with idiopathic scoliosis (AIS) through an analysis of anticipatory muscle activations (AMAs). Methods A cross-sectional observational study was conducted with 17 AIS and 19 age-matched healthy subjects. Both the AIS and healthy groups performed right and left upper limb reaching tasks at three different heights while surface electromyography monitored the activity of scapular stabilizers. The muscles examined included the bilateral infraspinatus, upper trapezius, lower trapezius, serratus anterior, latissimus dorsi and the anterior deltoid. The incidence, onset latencies, and amplitude of AMAs were compared between the AIS and healthy groups. Results Among scapular stabilizers, ipsilateral upper trapezius (iUT) and ipsilateral infraspinatus (iIS) exhibited the highest AMAs incidence at 72.59% and 70.06%, respectively. However, AMAs incidence significantly declined on the concave side of the thoracic curve in AIS group, particularly in iUT (55.63 ± 14.74 vs. 45.21 ± 19.92, t = 2.330, P = 0.034) and iIS (59.38 ± 20.16 vs. 48.13 ± 22.11, t = 2.316, P = 0.035). Regarding onset latencies, the AIS group exhibited delayed activation of ipsilateral lower trapezius (F = 3.586, P < 0.05, η2 p = 0.006) and advanced activation of contralateral upper trapezius (F = 7.753, P < 0.001, η2 p = 0.027) and contralateral infraspinatus (F = 6.554, P < 0.01, η2 p = 0.024) on concave side compared to the healthy group. Additionally, almost all scapula stabilizers in AIS group exhibited reduction of AMAs amplitude compared to the healthy group. Conclusions This preliminary study suggests potential neuromotor control impairments in the AIS population, as indicated by observed trends in the incidence, amplitude, and timing of AMAs in scapular stabilizers. These preliminary insights may inform the design of future rehabilitation interventions, with attention to neurodevelopmental needs during adolescence. Trial registration number ChiCTR2300075167, Date: 2023-08-28.https://doi.org/10.1186/s12891-024-08137-yAdolescent idiopathic scoliosisAnticipatory muscle activationScapula stabilizersRehabilitation |
| spellingShingle | Yu Wang Nan Xia Minghui Gu Zejian Chen Jiang Xu Li Wang Yi Liao Lingfeng Xie Xiaolin Huang Neuromuscular disturbances in adolescent idiopathic scoliosis observed from the anticipatory muscle activations in scapula stabilizers: a cross-sectional study BMC Musculoskeletal Disorders Adolescent idiopathic scoliosis Anticipatory muscle activation Scapula stabilizers Rehabilitation |
| title | Neuromuscular disturbances in adolescent idiopathic scoliosis observed from the anticipatory muscle activations in scapula stabilizers: a cross-sectional study |
| title_full | Neuromuscular disturbances in adolescent idiopathic scoliosis observed from the anticipatory muscle activations in scapula stabilizers: a cross-sectional study |
| title_fullStr | Neuromuscular disturbances in adolescent idiopathic scoliosis observed from the anticipatory muscle activations in scapula stabilizers: a cross-sectional study |
| title_full_unstemmed | Neuromuscular disturbances in adolescent idiopathic scoliosis observed from the anticipatory muscle activations in scapula stabilizers: a cross-sectional study |
| title_short | Neuromuscular disturbances in adolescent idiopathic scoliosis observed from the anticipatory muscle activations in scapula stabilizers: a cross-sectional study |
| title_sort | neuromuscular disturbances in adolescent idiopathic scoliosis observed from the anticipatory muscle activations in scapula stabilizers a cross sectional study |
| topic | Adolescent idiopathic scoliosis Anticipatory muscle activation Scapula stabilizers Rehabilitation |
| url | https://doi.org/10.1186/s12891-024-08137-y |
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