Clyboed G 200 160 120 80 40 -- Styles Voice Editor A Training weights Isometric strength 4 Weeks of training 10 12 Fig. 3. Changes of strength with training. Changes in the weights lifted during training are compared with the increase in isometric strength of the quadriceps over a 12 week training period. Results are given as mean (20) percentage improvements. Egled Sate Test Pedicions On Accessibility investigate Focus