How to do Bridge with rotation using opposite arm alternating sides : Exercise Video
                    
                     
                                        
                    
                            
                        
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                                1
                                    Lie on your back with knees bent, feet flat on the floor, and hands together with arms extended. 
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                                2
                                    Bring your hips off the floor, rotate to one side, bring arms over head, and touch your hands to the floor. 
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                                3
                                    Return to starting position. 
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                                4
                                    Repeat on the other side. Each time hands touch the floor counts as one repetition.