Bibliografia

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3. Blackard DO, Jensen RL, Ebben WP. Use of EMG analysis in challening kinetic chain terminology. Med Sci Sports Exerc 1999; 31: 443-8.

4. Tang SF, Chen CK, Hsu R. Vastus medialis obliquus and vastus lateralis activity in open and closed kinetic chain exercise in patients with patellofemoral pain syndrome: an electromyographic study. Arch Phys Med Rehabil 2001; 82(10): 1441-5.

5. Lam PL, Ng GY. Activation of the quadriceps muscle during semisquatting with different hip and knee positions in patients with anterior knee pain. Am J Phys Med Rehabil 2001; 80(11): 804-8.

6. Anderson G, Herrington L. A comparison of eccentric isokinetic torque production and velocity of knee flexion angle during step down in patellofemoral pain syndrome patients and unaffected subjects. Clin Biomech 2003; 18(6): 500-4.

7. Stiene HA, Brosky T, Reinking MF, Nyland J, Mason MB. A comparison of closed kinetic chain and isokinetic joint isolation exercise in patients with patellofemoral dysfunction. J Orthop Sports Phys Ther 1996; 24: 136-41.

8. Witvrouw E, Lysens R, Bellemas J, Peers K, Vanderstraeten G. Open versus closed kinetic chain exercises for patellofemoral pain. A prospective, randomized study. Am J Sports Med 2000; 28: 687-94.

9. Heintjes E, Berger M, Bierma-Zeinstra S, Bernsen R, Verhaar J, Koes B. Exercise therapy for patellofemoral pain syndrome. Cochrane database Syst Rev 2003; 4: CD003472.

10. Thomee R, Augustsson J, Karlsson J. Patellofemoral pain syndrome: a review of current issues. Sports Med 1999; 28(4): 245-62.