ArticleEuropean journal of histochemistry : EJH2019
Effects of physical training on sarcomere lengths and muscle-tendon interface of the cervical region in an experimental model of menopause.
Article in European journal of histochemistry : EJH, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 19 citations in OpenAlex.
- Myotendinous junction: a microenvironment favorable for short-term adaptations to resistance training following gastrocnemius muscle atrophy.Frontiers in physiology · 2025Article
- Larger interface area at the human myotendinous junction in type 1 compared with type 2 muscle fibers.Scandinavian journal of medicine & science in sports · 2023Article
- Myotendinous Junction: Exercise Protocols Can Positively Influence Their Development in Rats.Biomedicines · 2022Article
- Hierarchical ultrastructure: An overview of what is known about tendons and future perspective for tendon engineering.Bioactive materials · 2022Review
- Aquatic Training after Joint Immobilization in Rats Promotes Adaptations in Myotendinous Junctions.International journal of molecular sciences · 2021Article
- The Myotendinous Junction-A Vulnerable Companion in Sports. A Narrative Review.Frontiers in physiology · 2021Review
- Tissue Engineering for the Insertions of Tendons and Ligaments: An Overview of Electrospun Biomaterials and Structures.Frontiers in bioengineering and biotechnology · 2021Review
- Twenty years of histochemistry in the third millennium, browsing the scientific literature.European journal of histochemistry : EJH · 2020Article
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Authors and funding
5 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of this study was to describe the structural and ultrastructural aspects of the myotendinous junction (MTJ) and the proximal and distal sarcomeres of the sternomastoid of aged Wistar rats subjected to an experimental model of menopause and swimming training. A total of 20 female elderly rats were divided into the following four groups (n=5 in each group): sedentary/no-menopausal (SNM), trained/no-menopausal (TNM), sedentary/menopausal (SM), and trained/menopausal (TM). The MTJ samples were dissected and analyzed using transmission electron microscopy. We showed that the TNM Group rats exhibited changes in morphological characteristics as a consequence of physical exercise, which included an increase of 36.60% (P<0.001) in the evagination length of the MTJ and a reduction in the length of the distal (77.38%) (P<0.0001) and proximal (68.15%) (P<0.0001) sarcomeres. The SM Group exhibited a reduction of about 275.93% (P<0.001) in the muscle-tendon interface and in the lengths of distal sarcomeres (55.87%) (P<0.0001) compared with SNM Group. Our results suggest that the swimming training under experimental model of menopause promoted tissue reorganization and increased muscle-tendon interaction with a drastic development in the length and thickness of the sarcoplasmatic invaginations and evaginations. In addition, the sarcomeres exhibited different lengths and a reduction in both groups subjected to swimming training.
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