Patella alta: Difference between revisions
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== Definition/Description == | == Definition/Description == | ||
Patella alta or high-riding patella refers to an abnormally high patella in relation to the femur. The patella sits high on the femur where the groove is very shallow. Here the sides of the femoral groove provide only a small barrier to keep the high-riding patella in place. A strong contraction of the quadriceps muscle can easily pull the patella over the edge and out of the groove, leading to a patellar dislocation. This condition has been associated clinically with patellofemoral dysfunction and is considered a predisposing factor for the development of patellofemoral pain (PFP). Patella alta is also characterized as instability of the Patella<ref>Ward SR, Powers CM; The influence of patella alta on patellofemoral joint stress during normal and fast walking; Clin Biomech (Bristol, Avon). 2004 Dec;19(10):1040-7</ref><ref>Stefanik JJ et al ; Quadriceps Weakness, Patella Alta, and Structural Features of Patellofemoral Osteoarthritis; Arthritis Care Res (Hoboken). 2011 Oct;63(10):1391-7</ref><ref>Syed A. Ali, Robert Helmer, Michael R. Terk; Patella Alta: Lack of Correlation Between Patellotrochlear Cartilage Congruence and Commonly Used Patellar Height Ratio; AJR November 2009 vol. 193 no. 5 1361-1366</ref> <br> | |||
== Clinically Relevant Anatomy == | == Clinically Relevant Anatomy == | ||
Revision as of 18:16, 4 September 2012
Original Editors - Fitim Cami
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Search Strategy[edit | edit source]
The following databases have been used to find information about "Patella alta": Pubmed, Medscape, Google scholar, Pedro, Online database of the VUB
Words that have been used: Patella alta, Conservative treatment AND patella alta, Patella alta AND physical therapy, Patellar dislocation & Etiology
Definition/Description[edit | edit source]
Patella alta or high-riding patella refers to an abnormally high patella in relation to the femur. The patella sits high on the femur where the groove is very shallow. Here the sides of the femoral groove provide only a small barrier to keep the high-riding patella in place. A strong contraction of the quadriceps muscle can easily pull the patella over the edge and out of the groove, leading to a patellar dislocation. This condition has been associated clinically with patellofemoral dysfunction and is considered a predisposing factor for the development of patellofemoral pain (PFP). Patella alta is also characterized as instability of the Patella[1][2][3]
Clinically Relevant Anatomy[edit | edit source]
Patella_alta:_Clinically_relevant_anatomy
Epidemiology /Etiology[edit | edit source]
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Characteristics/Clinical Presentation[edit | edit source]
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References[edit | edit source]
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- ↑ Ward SR, Powers CM; The influence of patella alta on patellofemoral joint stress during normal and fast walking; Clin Biomech (Bristol, Avon). 2004 Dec;19(10):1040-7
- ↑ Stefanik JJ et al ; Quadriceps Weakness, Patella Alta, and Structural Features of Patellofemoral Osteoarthritis; Arthritis Care Res (Hoboken). 2011 Oct;63(10):1391-7
- ↑ Syed A. Ali, Robert Helmer, Michael R. Terk; Patella Alta: Lack of Correlation Between Patellotrochlear Cartilage Congruence and Commonly Used Patellar Height Ratio; AJR November 2009 vol. 193 no. 5 1361-1366
