Physics Girl
      Testing What Exercise Actually Does to Your Butt (2019x11)
      
      Data emisji: Sie 04, 2019
      Cassey and I investigate the biomechanics of butts. What activates your butt muscles more, running or squatting? How effective are bridges as a butt workout? How much can we change the shape of our bodies with exercise?
     
    
      
        
        
          
            - Premiera: Mar 2012
- Odcinki: 195
- Obserwujący: 0
 
        
          
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