ArticleThe Journal of bone and joint surgery. American volume2015
Architectural and biochemical adaptations in skeletal muscle and bone following rotator cuff injury in a rat model.
Article in The Journal of bone and joint surgery. American volume, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Context-dependent roles of 11β-HSD1 in bone and skeletal muscle diseases.American journal of translational research · 2026Review
- Geometric modeling predicts architectural adaptations are not responsible for the force deficit following tenotomy in the rotator cuff.Journal of biomechanics · 2022Article
- Arthroscopy-Assisted Reduction and Internal Fixation versus Open Reduction and Internal Fixation for Glenoid Fracture with Scapular Involvement: A Retrospective Cohort Study.Journal of clinical medicine · 2022Article
- Partial-width injuries of the rat rotator cuff heal with fibrosis.Connective tissue research · 2018Article
- Effects of spaceflight on the muscles of the murine shoulder.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2017Article
- Orthopedic Interface Repair Strategies Based on Native Structural and Mechanical Features of the Multiscale Enthesis.ACS biomaterials science & engineering · 2017Article
- Impaired contractile function of the supraspinatus in the acute period following a rotator cuff tear.BMC musculoskeletal disorders · 2017Article
- The Rotator Cuff Organ: Integrating Developmental Biology, Tissue Engineering, and Surgical Considerations to Treat Chronic Massive Rotator Cuff Tears.Tissue engineering. Part B, Reviews · 2017Article
- A method to test contractility of the supraspinatus muscle in mouse, rat, and rabbit.Journal of applied physiology (Bethesda, Md. : 1985) · 2016Article
- Chronic Degeneration Leads to Poor Healing of Repaired Massive Rotator Cuff Tears in Rats.The American journal of sports medicine · 2015Article
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Authors and funding
10 authors.
Funding
Abstract
backgroundInjury to the rotator cuff can cause irreversible changes to the structure and function of the associated muscles and bones. The temporal progression and pathomechanisms associated with these adaptations are unclear. The purpose of this study was to investigate the time course of structural muscle and osseous changes in a rat model of a massive rotator cuff tear.
methodsSupraspinatus and infraspinatus muscle architecture and biochemistry and humeral and scapular morphological parameters were measured three days, eight weeks, and sixteen weeks after dual tenotomy with and without chemical paralysis via botulinum toxin A (BTX).
resultsMuscle mass and physiological cross-sectional area increased over time in the age-matched control animals, decreased over time in the tenotomy+BTX group, and remained nearly the same in the tenotomy-alone group. Tenotomy+BTX led to increased extracellular collagen in the muscle. Changes in scapular bone morphology were observed in both experimental groups, consistent with reductions in load transmission across the joint.
conclusionsThese data suggest that tenotomy alone interferes with normal age-related muscle growth. The addition of chemical paralysis yielded profound structural changes to the muscle and bone, potentially leading to impaired muscle function, increased muscle stiffness, and decreased bone strength. CLINICAL RELEVANCE: Structural musculoskeletal changes occur after tendon injury, and these changes are severely exacerbated with the addition of neuromuscular compromise.
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