Fig. 3From: Load magnitude affects patellar tendon mechanical properties but not collagen or collagen cross-linking after long-term strength training in older adultsIllustration of average patellar tendon force/deformation (left) and stress/strain (right) curves before (PRE) and after (POST) 12 months heavy load resistance training (HRT), moderate load resistance training (MRT), or no training (CON)Back to article page