Stretching human muscles makes them stronger.
Rassier
Dilson E
DE
D006801:Humans; D007537:Isometric Contraction / Q000502:physiology; D009119:Muscle Contraction / Q000502:physiology; D018485:Muscle Fibers, Skeletal / Q000502:physiology; D053580:Muscle Strength / Q000502:physiology*; D052580:Muscle Stretching Exercises; D018482:Muscle, Skeletal / Q000502:physiology*; D012518:Sarcomeres / Q000502:physiology