Exercise devices – Gymnastic – Horizontal bar
Patent
1994-07-21
1995-05-02
Crow, Stephen R.
Exercise devices
Gymnastic
Horizontal bar
482148, A63B 100
Patent
active
054114535
ABSTRACT:
A device which mounts on uprights which enables an individual, when gripping it, to go through the range of motion of the pronated pull up exercise easier than gripping a round bar, due to an increase in muscle capacity. This is made possible by having two knobs for the thumbs to grasp projecting from the top of the device next to the center sides of two curves cut out of the top of the rectangular body of the device. In use, the device is first mounted on uprights that are high enough so that the user is suspended from the ground when gripping the device. The user then wraps his or her fingers around the curved openings and clutches the thumb knobs with his or her thumbs and performs the pronated pull up exercise, strengthening the muscles of the trunk and arms and stretching the back. The thumb knobs allow increased use of the muscles attached to the thumb, the angle of the sides of the curves emphasize the use of the fingers with stronger muscles attached and the vertical surfaces below the curves steady the palms of the hands. This enables the user to get a stronger grip on the device than would be possible with a round bar allowing the user to perform the pronated pull up exercise easier. The user therefor is able to more easily experience therapeutic stretching of the back which occurs during the course of the pronated pull up exercise.
REFERENCES:
patent: 3156165 (1964-11-01), Jacobi
patent: 4620701 (1986-11-01), Mojden
patent: 5205802 (1993-04-01), Swisher
patent: 5230684 (1993-07-01), Wallisch
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