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Updated: Jun 27, 2026

Evaluation of Stem Cell Therapies in a Bilateral Patellar Tendon Injury Model in Rats
Published on: March 30, 2018
Patellar disorders
1Sports Medicine Service, Hospital of the University of Pennsylvania Veterans' Hospital, Philadelphia, Pennsylvania 19104-6081, USA. orthodoc@mail.med.upenn.edu
Patellar pain, often linked to poor patellar tracking, frequently improves with conservative treatments like activity modification and physical therapy. Surgery is reserved for cases unresponsive to non-surgical interventions.
Area of Science:
- Orthopedics
- Sports Medicine
- Biomechanics
Background:
- Patellar disorders are common causes of knee pain.
- Poor patellar tracking is a frequent finding, leading to abnormal force distribution in the patellofemoral joint.
- Risk factors include lateral retinaculum tightness and anatomical predispositions like femoral anteversion or elevated Q angle.
Purpose of the Study:
- To summarize the common causes and treatment strategies for patellar disorders.
- To highlight the role of patellar tracking in patellofemoral pain.
- To differentiate between conservative and surgical management options.
Main Methods:
- Review of literature on patellar disorders and patellofemoral pain.
- Analysis of non-surgical treatment modalities.
- Overview of surgical interventions for refractory cases.
Main Results:
- Most patients with patellar disorders experience improvement with conservative measures.
- Non-surgical options include activity modification, physical therapy (e.g., short arc quadriceps strengthening, stretching), ice application, and knee sleeves.
- Surgical treatments are reserved for patients who fail conservative management.
Conclusions:
- Patellar pain is often managed effectively through non-operative means.
- Addressing poor patellar tracking and associated biomechanical factors is key.
- Surgical intervention is a last resort for persistent patellar disorders.
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