Exercise device for strengthening of abdominal muscles

Abstract

An exercise device for strengthening of abdominal muscles employing a resistance mechanism is disclosed.

1 . Exercise device for strengthening of abdominal muscles, comprising: 
 a frame to which a press arm is connected rotatively in a vertical plane,    to the press arm a resistance mechanism is connected for exerting resistance force (F R ) for acting only in a direction against downward movement of the press arm,    wherein a free end of the arm can move in the range of motion from a user's waist area to the user's ankles.    
   
   
       2 . The exercise device for strengthening of abdominal muscles according to  claim 1 , wherein the frame is portable.  
   
   
       3 . The exercise device for strengthening of abdominal muscles according to  claim 1 , wherein the frame is stationary.  
   
   
       4 . The exercise device for strengthening of abdominal muscles according to  claim 2 , wherein the frame is collapsible.  
   
   
       5 . The exercise device for strengthening of abdominal muscles according to  claim 2 , wherein the support frame is solid.  
   
   
       6 . The exercise device for strengthening of abdominal muscles according to  claim 1 , wherein the resistance mechanism comprises a hydraulic system with adjustable resistance or an isokinetic resistance system.  
   
   
       7 . The exercise device for strengthening of abdominal muscles according to  claim 1 , wherein the resistance mechanism consists of a hydraulic system with adjustable resistance or an isokinetic resistance system.  
   
   
       8 . The exercise device for strengthening of abdominal muscles according to  claim 1 , wherein the press arm and resistance mechanism are connected to a dynamometer measurement system.  
   
   
       9 . The exercise device for strengthening of abdominal muscles according to  claim 1 , further comprising a hips support.  
   
   
       10 . Exercising device for strengthening of abdominal muscles according to  claim 1 , further comprising a feet support.  
   
   
       11 . The exercise device for strengthening of abdominal muscles according to  claim 2 , wherein the resistance mechanism comprises a hydraulic system with adjustable resistance or an isokinetic resistance system.  
   
   
       12 . The exercise device for strengthening of abdominal muscles according to  claim 2 , wherein the resistance mechanism consists of a hydraulic system with adjustable resistance or an isokinetic resistance system.  
   
   
       13 . The exercise device for strengthening of abdominal muscles according to  claim 2 , wherein the press arm and resistance mechanism are connected to a dynamometer measurement system.  
   
   
       14 . The exercise device for strengthening of abdominal muscles according to  claim 2 , further comprising a hips support.  
   
   
       15 . The exercising device for strengthening of abdominal muscles according to  claim 2 , further comprising a feet support.