Table 3. Leg strength and training loads. Values are mean (±SD).
|  | CONT group (n = 24) | WGFE group (n = 22) | 
| Week 0 | Week 6 | Week 12 | Week 0 | Week 6 | Week 12 | 
| Incline leg press 1RM, kg | 280(46) | 354(65)* | 373(65)*† | 289(56) | 364(48)* | 389(52)*† | 
| Maximum Isometric knee-extensor Force, Nm | 295(64) | 306(63)* | 314(67)*† | 285(47) | 297(45)* | 301(51)*† | 
| Load lifted per training session, kg | - | 19421 (3386) | 20064 (4457) | - | 19104 (3253) | 19072 (4798) | 
CONT = Control, WGFE = Whey Growth Factor Extract.*significantly different from Week 0 (p < 0.05)† significantly different from Week 6 (p < 0.05).