text: 0  300 
  600 
  900 
  1200 
  **HAMS volume (cm3)**
  
  **B** **C**
  
  WSM 
  
  Long-term resistance-trained 
  
  Elite sprint runners 
  
  Sub-elite sprint runners 
  
  Untrained control 
  
  0  100  200  300  400  500  600 
  
  **SM volume (cm3)**