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Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
Published on: March 12, 2021
Generalized joint laxity and multidirectional instability of the shoulder
Maristella F Saccomanno1, Mario Fodale1, Luigi Capasso1
1Department of Orthopaedics, Catholic University, Division of Orthopaedic Surgery, "A. Gemelli" University Hospital, Rome, Italy.
Generalized joint laxity, a physiological condition, often predisposes patients to shoulder instability. Distinguishing laxity from instability is crucial for effective diagnosis and treatment strategies in multidirectional shoulder instability.
Area of Science:
- Orthopedics
- Sports Medicine
- Physiology
Background:
- Generalized joint laxity and shoulder instability are prevalent conditions with diverse clinical presentations, often coexisting in patients.
- Laxity, a physiological state, can predispose individuals to shoulder instability, with a high prevalence noted in multidirectional instability cases.
- Multidirectional instability, characterized by symptomatic instability in multiple directions, presents diagnostic and therapeutic challenges due to its complex classification and etiology.
Purpose of the Study:
- To elucidate the relationship between generalized joint laxity and shoulder instability.
- To highlight the diagnostic and therapeutic complexities associated with multidirectional shoulder instability, particularly when coexisting with laxity.
- To emphasize the importance of understanding clinical symptoms and physical examination findings for developing effective treatment strategies.
Main Methods:
- Review of clinical symptoms and physical examination findings related to generalized joint laxity and shoulder instability.
- Analysis of diagnostic criteria and classification systems for multidirectional shoulder instability.
- Evaluation of conservative and surgical treatment options, including open capsular shift and arthroscopic techniques.
Main Results:
- Generalized joint laxity is a significant predisposing factor for shoulder instability, especially multidirectional instability.
- Conservative treatment is the primary approach, with surgical options reserved for cases where conservative management fails.
- Arthroscopic techniques are emerging as advantageous alternatives to traditional open surgery for shoulder stabilization, offering comparable outcomes.
Conclusions:
- A thorough understanding of clinical presentations and examination findings is essential for managing patients with generalized joint laxity and shoulder instability.
- Conservative management should be prioritized, followed by surgical interventions when necessary, with arthroscopic methods showing promise.
- Further research is needed to define optimal management strategies for failed shoulder stabilization procedures.
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