Alexandre Almeida, Aloir DO Junior, Samuel Pante, Luis F Gobbi, Marcelo G Vicente, Arivaldir B Oliboni, Ana P Agostini
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The mean AFF and the mean LAF were evaluated with a digital isokinetic traction dynamometer.</p><p><strong>Results: </strong>The average AFF found in the AG was 15 N, while in the CG, the average AFF was 21 N (<i>P</i> < .001). The average LAF in the AG was 14 N (standard deviation [SD] 8 N), while in the CG the average LAF was of 19 N (SD 6 N) (<i>P</i> = .002). All prognostic factors studied in the AG showed no statistical significance: dominance (AFF 0.697/LAF 0.883), previous rotator cuff repair surgery (AFF 0.786/LAF 0.821), Hamada radiological classification (AFF 0.343/LAF 0.857), magnetic resonance imaging (MRI) pre-operative evaluation of the quality of the teres minor (AFF 0.131/LAF 0.229), suture of the subscapularis at the end of the arthroplasty procedure (AFF 0.961/LAF 0.325) and postoperative complications (AFF 0.600/LAF 0.960).</p><p><strong>Conclusion: </strong>The mean AFF was 15 N, and the mean LAF was 14 N. The comparison of AFF and LAF with a CG showed a 25% reduction in muscle strength. It was not possible to demonstrate prognostic factors for muscle strength recovery after RSA.</p>","PeriodicalId":73942,"journal":{"name":"Journal of shoulder and elbow arthroplasty","volume":"7 ","pages":"24715492231167111"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/8d/7e/10.1177_24715492231167111.PMC10107961.pdf","citationCount":"0","resultStr":"{\"title\":\"Strength Assessment After Reverse Shoulder Arthroplasty.\",\"authors\":\"Alexandre Almeida, Aloir DO Junior, Samuel Pante, Luis F Gobbi, Marcelo G Vicente, Arivaldir B Oliboni, Ana P Agostini\",\"doi\":\"10.1177/24715492231167111\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Objective: </strong>The main objective was to evaluate the anterior flexion force (AFF) and the lateral abduction force (LAF) of patients who underwent reverse shoulder arthroplasty (RSA) and to compare the measured force with that in a similar-age control group. The secondary objective was to identify prognostic factors for muscle strength recovery.</p><p><strong>Methods: </strong>Forty-two shoulders that underwent primary RSA between September 2009 and April 2020 met the inclusion criteria and were called the arthroplasty group (AG). The control group (CG) consisted of 36 patients. The mean AFF and the mean LAF were evaluated with a digital isokinetic traction dynamometer.</p><p><strong>Results: </strong>The average AFF found in the AG was 15 N, while in the CG, the average AFF was 21 N (<i>P</i> < .001). The average LAF in the AG was 14 N (standard deviation [SD] 8 N), while in the CG the average LAF was of 19 N (SD 6 N) (<i>P</i> = .002). All prognostic factors studied in the AG showed no statistical significance: dominance (AFF 0.697/LAF 0.883), previous rotator cuff repair surgery (AFF 0.786/LAF 0.821), Hamada radiological classification (AFF 0.343/LAF 0.857), magnetic resonance imaging (MRI) pre-operative evaluation of the quality of the teres minor (AFF 0.131/LAF 0.229), suture of the subscapularis at the end of the arthroplasty procedure (AFF 0.961/LAF 0.325) and postoperative complications (AFF 0.600/LAF 0.960).</p><p><strong>Conclusion: </strong>The mean AFF was 15 N, and the mean LAF was 14 N. The comparison of AFF and LAF with a CG showed a 25% reduction in muscle strength. It was not possible to demonstrate prognostic factors for muscle strength recovery after RSA.</p>\",\"PeriodicalId\":73942,\"journal\":{\"name\":\"Journal of shoulder and elbow arthroplasty\",\"volume\":\"7 \",\"pages\":\"24715492231167111\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/8d/7e/10.1177_24715492231167111.PMC10107961.pdf\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of shoulder and elbow arthroplasty\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1177/24715492231167111\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of shoulder and elbow arthroplasty","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1177/24715492231167111","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
目的:主要目的是评估逆行肩关节置换术(RSA)患者的前屈曲力(AFF)和外侧外展力(LAF),并将测量的力与相似年龄的对照组进行比较。次要目的是确定肌肉力量恢复的预后因素。方法:2009年9月至2020年4月期间,42例肩部接受了原发性RSA,符合纳入标准,称为关节成形术组(AG)。对照组(CG) 36例。用数字等速牵引测功机对平均AFF和平均LAF进行了评估。结果:胃中平均afn为15 N,胃中平均afn为21 N (P = 0.002)。所有预后因素:优势度(AFF 0.697/LAF 0.883)、既往肩袖修复手术(AFF 0.786/LAF 0.821)、滨田放射学分型(AFF 0.343/LAF 0.857)、磁共振成像(MRI)术前小圆肌质量评价(AFF 0.131/LAF 0.229)、肩周肌成形术结束时缝合(AFF 0.961/LAF 0.325)、术后并发症(AFF 0.600/LAF 0.960)均无统计学意义。结论:AFF平均为15 N, LAF平均为14 N, AFF与LAF与CG的比较显示肌肉力量降低25%。不可能证明RSA术后肌肉力量恢复的预后因素。
Strength Assessment After Reverse Shoulder Arthroplasty.
Objective: The main objective was to evaluate the anterior flexion force (AFF) and the lateral abduction force (LAF) of patients who underwent reverse shoulder arthroplasty (RSA) and to compare the measured force with that in a similar-age control group. The secondary objective was to identify prognostic factors for muscle strength recovery.
Methods: Forty-two shoulders that underwent primary RSA between September 2009 and April 2020 met the inclusion criteria and were called the arthroplasty group (AG). The control group (CG) consisted of 36 patients. The mean AFF and the mean LAF were evaluated with a digital isokinetic traction dynamometer.
Results: The average AFF found in the AG was 15 N, while in the CG, the average AFF was 21 N (P < .001). The average LAF in the AG was 14 N (standard deviation [SD] 8 N), while in the CG the average LAF was of 19 N (SD 6 N) (P = .002). All prognostic factors studied in the AG showed no statistical significance: dominance (AFF 0.697/LAF 0.883), previous rotator cuff repair surgery (AFF 0.786/LAF 0.821), Hamada radiological classification (AFF 0.343/LAF 0.857), magnetic resonance imaging (MRI) pre-operative evaluation of the quality of the teres minor (AFF 0.131/LAF 0.229), suture of the subscapularis at the end of the arthroplasty procedure (AFF 0.961/LAF 0.325) and postoperative complications (AFF 0.600/LAF 0.960).
Conclusion: The mean AFF was 15 N, and the mean LAF was 14 N. The comparison of AFF and LAF with a CG showed a 25% reduction in muscle strength. It was not possible to demonstrate prognostic factors for muscle strength recovery after RSA.