A chart depicting the common areas of injury in weight training sports. The data is as follows: Biceps brachii muscle (Biceps) 0.3% Triceps brachii muscle (Triceps) 0.3% Quadriceps muscle 0.3% Groin 0.5% Ankle 1% Palm of the hand 1% Neck 1.3% Hand 1.3% Foot 1.5% Lower back 2% Upper back 2% Wrist 3.6% Knee 4.6% Shoulder 7.4%