Exercise devices – User manipulated force resisting apparatus – component... – Utilizing resilient force resistance
Patent
1991-11-12
1992-11-03
Bahr, Robert
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing resilient force resistance
482121, 482140, 482904, A63B 2105
Patent
active
051603047
ABSTRACT:
Apparatus for strengthening the musculature of the abdomen, upper legs and back. A portable version comprises a push arm resiliently penetrating a transversal yoke. The distal end of the arm is placed against the abdomen or the buttocks while the user pulls the yoke towards him by way of a pair of handles mounted astride the arm. The operator contracts the abdominal musculature while pulling the hands on a tensioned mechanism. Strengthening of the abdominal musculature is achieved by moving the abdomen against a resilient stop.
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patent: 4678181 (1987-07-01), Ditsch et al.
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Bahr Robert
Charmasson Henri J. A.
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