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             YOGASAN 
              21 TO 25 
             
            
            21. 
              Dhanurasan 
              :  
              
              
              
            Advantages 
              :  
            
              
                -  Dhanurasan 
                  is a combination of the exercises and hence the practice of 
                  this asan has the advantages many exercises.
 
               
              Pre-caution 
              : 
              
                -  Care should 
                  be taken not to strain any joint.
 
               
             
             
              22. Ushtrasan : 
               
             
               
             
              Advantages 
              : 
            
              
                -  Makes 
                  the spine flexible and increases blood circulation to the head.
 
               
              Pre-caution 
              : 
              
                -  Those 
                  who have undergone any recent operation at the chest or abdomen, 
                  people with hernia problems, severe hypertension and low back 
                  must be cautious.
 
               
             
            23. 
              Ardhmatsyendrasan :  
              
              
             
             Advantages 
              : 
             
              
                -  Helpful 
                  to people suffering from constipation.
 
                   
                   
                -  Improves 
                  liver efficiency.
 
                   
                   
                -  Stretches 
                  shoulders, hips and neck.
 
               
              Pre-caution 
              : 
              
                -  People 
                  suffering from stiffness in spine should practice this asan 
                  carefully. 
 
               
               24. 
                Yog Mudra :  
                 
             
              
               
             
             Advantages 
              : 
              
              
                -  Helpful 
                  in strengthening Internal organs of abdomen.
 
                   
                   
                -  Helpful 
                  to people suffering from constipation.
 
               
              Pre-caution 
              : 
              
                -   Those 
                  suffering from hypertension or headache should not practice 
                  this asan. 
 
               
             
             
              25. Padmasan : 
              
              
              
            Advantages 
              :  
            
              
                -  Useful 
                  in meditation and increases blood circulation in upper part 
                  of body.
 
                   
                   
                - Makes legs 
                  flexible.
 
               
              Pre-caution 
              : 
              
                -   People 
                  suffering from knee pain should not practice this asan. 
                
 
               
       
     
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