Experts in trauma and emergency care center call the first hour after serious injury as the most critical in determining chances for survival
        
             
        
        
        
Answer: Continuous repetition of the number 
Explanation:
 
        
             
        
        
        
 Increased muscle mass: Muscle mass naturally decreases with age, but strength training can help reverse the trend.
Stronger bones: Strength training increases bone density and reduces the risk of fractures.
Joint flexibility: Strength training helps joints stay flexible and can reduce the symptoms of arthritis.