L. Cannell

A randomised clinical trial of the e Y cacy of drop squats or leg extension/leg curl exercises to treat clinically diagnosed jumper’s knee in athletes: pilot study

J. Taunton, D. Clement, K. Khan, 2001 .

The effects of an eccentric-type exercise versus a concentric-type exercise in the management of chronic patellar tendonitis

L. Cannell, 1982 .

A randomised clinical trial of the efficacy of drop squats or leg extension/leg curl exercises to treat clinically diagnosed jumper's knee in athletes: pilot study

K M Khan, D B Clement, J E Taunton, 2001, British journal of sports medicine.