To improve her lifestyle, a teen gave up smoking.
or 
To improve her lifestyle, a teen chose to give up smoking.
        
                    
             
        
        
        
I think ur answer would be a 
        
             
        
        
        
Why are health care workers at high risk for back injury and musculoskeletal injury while moving and transferring patients.
These injuries are due in large part to overexertion related to repeated manual patient handling activities, often involving heavy manual lifting associated with transferring, and repositioning patients and working in extremely awkward postures.
        
             
        
        
        
Hi! I am sorry but I will give you exercises I suggest but I can’t do the exercises, because I just ate..
(30 push-ups, 45 sit ups, an mile run, 50 jumping jacks and lastly pull ups, if you have a bar or something to use!) 
if you want me to still help let me know and dont be shy!
        
             
        
        
        
I would say, trunk flexion uses the most amount flexibility.