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US 2006/0223682 A1Published application
Dynamic low impact plyometric exercise device
OwnerCharles Joeinventor
Life of this patent
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Abstract
A dynamic low impact plyometric exercise device comprised of a tube having end caps with an elongated dynamic weight disposed in the tube between the end caps and proportioned to permit limited reciprocating movement therein. A tether cord interconnects between one end cap and the weight, and an elastic cord interconnects between the other end cap and the weight whereby the weight is positioned generally intermediate the length of the tube.
Claims9
A dynamic low impact plyometric exercise device comprising
- a tube having first and second end caps
- an elongated dynamic weight disposed between said end caps in said tube and proportioned to permit limited reciprocating movement therein,
- a collapsible tether interconnecting said first end cap and said weight, and
- an elastic interconnection between said second end cap and said weight whereby said weight is positioned to suspend generally intermediate the length of said tube when the tube is oriented vertically and said weight can move a limited restricted distance toward said second end cap due to said tether but said weight can move a variable distance toward said first end cap in said tube when induced inertial momentum of said weight stretches said elastic interconnection.
1 more element
A dynamic low impact plyometric resistance device comprising
- a tube having first and second end caps,
- an elongated dynamic weight disposed between said end caps in said tube and proportioned to permit limited reciprocating movement therein,
- a flexible cord interconnecting said first end cap and said weight, and
- a length of surgical rubber tubing interconnecting said second end cap and said weight whereby said weight is positioned generally intermediate the length of said tube and can move a limited restricted distance toward said second end cap due to said flexible cord but said weight can move a variable distance toward said first end cap in said tube due to induced inertial momentum of said weight stretching said surgical rubber tubing interconnection.
1 more element
A method for increasing the benefits of plyometric exercise by
- providing a dynamic low impact exercise device in the form of a dynamic weight suspended on an elastic cord in an elongated enclosure and tethered at the other end,
- carrying in said device generally vertically with said tethered end down while performing plyometric exercise whereby as the exerciser lands from a jump the elastic cord allows the suspended weight to move downward through a decelerated descent to a static point which is determined by the momentum of the weight and the force of impact upon landing and the amount of upward thrust applied by the user and the elasticity constant of the elastic cord whereby the exerciser increases in addition to his own body weight the amount of weight to be accelerated upward and the weight increase is compounded beyond that of the suspended weight and applied progressively as the upward stroke accelerates as a result of the elastic band allowing the dynamic weight to increase gradually to the maximum until the maximum acceleration of the exerciser is achieved as he moves his body upward.
Dependencies are inferred from the claim text.