专利名称：ABDOMINAL EXERCISE APPARATUS.发明人：VAINSAAR, DOUGLAS EMIL申请号：EP87907912申请日：19871124公开号：EP0290564A4公开日：19891017
摘要：an exerciser for abdominal muscles allows the use of the pressure of thehamstrings in response to a movement of the forward tilting of the pelvis, when workingthe abdominal muscles.the exerciser comprises adjustable support elements to the rearpart of the heel (8) of the user to the hips (13) and back (15), based on a tilt shaft (4)supported by a base (1).when in use, the pad (14) is positioned stationary relative to thepositioning element (8) on the rear part of the heel, so that the knee (19) is placed insuch a way that the lower part of the leg is at an angle of about 90 degrees relative tothe part. two of the leg.
申请人：VAINSAAR, DOUGLAS EMIL
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