Fig. 8From: Influence of body mass index and weight lifting on bicep brachii muscle and distal bicep tendon stiffness evaluated using ultrasound elastographyMean thickness of the biceps brachii muscle for groups A, B, C, and D. Definitions: Group A, underweight (< 18.5 kg/cm2); Group B, normal weight (18.5–24.9 kg/cm2); Group C, overweight (25.0–29.9 kg/cm2); Group D, obese (> 30.0 kg/cm2)Back to article page