Asymptomatic men displayed greater DNF endurance than women. The variability between subjects' DNF endurance capabilities was high. Age between 20 and 80 years and activity level did not affect DNF endurance. This is the first normative data set available for the DNF endurance test, which lays the foundation for further research in subjects with a history of cervicalgia and assists clinicians to objectify a milestone for DNF endurance deficits in patients.
Subjects in this study demonstrated the ability to voluntarily activate the TrA during upright static and functional tasks. Additionally, the TrA thickness may change in a direction-specific manner. These findings support a protective role of the ADIM during functional activity and may add information to ways for promoting low back pain prevention. Future studies should include the effectiveness in the use of ADIM during functional tasks for the prevention of low back pain.
Background: Proper management of thoracic outlet syndrome (TOS) requires an understanding of the underlying causes of the disorder. A comprehensive examination process, as described in Part 1 of this review, can reveal the bony and soft tissue abnormalities and mechanical dysfunctions contributing to an individual's TOS symptoms. Objective: Part 2 of this review focuses on management of TOS. Conclusion: The clinician uses clinical examination results to design a rehabilitation program that focuses on correcting specific problems that were previously identified. Disputed neurogenic TOS is best managed with a trial of conservative therapy before surgical treatment options are considered. Cases that are resistant to conservative treatment may require surgical intervention. True neurogenic TOS may require surgical intervention to relieve compression of the neural structures in the thoracic outlet. Surgical management is required for cases of vascular TOS because of the potentially serious complications that may arise from venous or arterial compromise. Post-operative rehabilitation is recommended after surgical decompression to address factors that could lead to a reoccurrence of the patient's symptoms.
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