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Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_I | Pages 104 - 104
1 Mar 2006
Pons M Pasarin A Garcia J Viladot B
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Objective: The objective of this study is to evaluate the role of quadriceps tightness in patients with patellar symptoms.

Material and methods: We evaluated 64 patients (12 men and 52 women) diagnosed of patellar malalignment, chondromalacia, patellar pain, patellar subluxation... in 100 knees. We defined 2 groups according the presence or not of imaging disorders: Group A (48 knees) with normal x-ray and CT-scan; group B (52 knees) with malalignment in x-ray or CT-scan. In both groups we evaluated quadriceps tightness by placing the patient prone and passively bringing the heels toward buttock. Average distance between heels/buttock (HBD) was 9.1 cm. in both groups before treatment and none presented HBD = 0 cm. Treatment consisted in passive quadriceps stretches after warm-up.

Results: After 11 rehabilitation sessions (range: 9–12), average HBD was 2.5 cm. in group A and 3.6 cm. in group B. HBD = 0 cm. was present in 32/48 knees in group A and 12/52 knees in group B. With a follow-up of 36–48 months, patients with HBD = 0 and values of HBD similar to values after treatment were present in both groups. After follow-up, pain was reported in 4/36 patients in group A and 20/28 in group B.

Conclusions: Quadriceps tightness is always present in patients with patellar symptoms and it is a valuable and reproducible sign. Passive quadriceps stretches are highly effective in patients with normal imaging tests and can be useful before surgery in patients with patellar malalignment