45Antibiotic Therapy of Septic Bursitis: Its Implication in the Treatment of Septic Arthritis
Arthritis and Rheumatism (1981) · G Ho Jr, E Y Su
This prospective study investigated the clinical course of septic bursitis (primarily olecranon, prepatellar, and infrapatellar bursae) treated with antibiotics and serial needle aspiration. Among 25 patients, those who received treatment within 2 weeks of symptom onset achieved culture sterility in about 1 week. Longer delays led to prolonged infection despite adequate therapy. All 19 patients who received 5 additional days of antibiotics after confirmed sterility were cured. The study confirms that infection of the bursa itself is a direct and treatable cause of bursitis, and that early intervention is essential to avoid prolonged inflammation. The findings have broader implications for managing bacterial infections in other joint-related structures.
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44Overuse Injuries of the Knee
Journal of Orthopaedic & Sports Physical Therapy (2009) · Noyes FR, Barber-Westin SD
This review explores the mechanisms and progression of overuse injuries in the knee, focusing on how repetitive microtrauma without adequate recovery leads to chronic joint pathologies. The authors describe how persistent cartilage stress and insufficient healing can contribute to the development of bursitis, patellofemoral disorders, and degenerative conditions. These findings support the concept that unresolved cartilage injuries can eventually result in bursitis through cumulative joint overload and tissue response.
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49Muscle Damage from Sustained Isometric Contractions
European Journal of Applied Physiology (2017) · Morgan DL, Proske U, Allen TJ
This study investigated how muscle damage accumulates during sustained isometric contractions of the human elbow flexors. Results showed that the majority of damage occurred during the plateau phase of the contraction, not the initiation or relaxation phases. Although mechanical strain was continuous, pain and muscle tenderness did not appear until later, during movement or physical activity. These findings reinforce the concept that tissue injury from isometric strain may not be perceived until after the event, aligning with delayed symptom onset in joint conditions like bursitis.
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