S2·E13 – How Do Body Builders Get Their Muscles So Big?
2000-12-03 • 30 min
How your muscles function everyday, how your body builds muscles using muscle fibres and protein strands, and getting your body into shape.
2000-12-03 • 30 min
How your muscles function everyday, how your body builds muscles using muscle fibres and protein strands, and getting your body into shape.