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This means that a C7 Quadriplegic who is a sailing enthusiast or para-athlete would be strong enough to handle the ropes and maneuver a sailboat if only he were given an effective method of gripping ropes. In the specific case of our customer, the arms have enough strength to lift 50 pounds of weight if transmitted to the wrist, but the fingers would barely support a single pound. A simple rope gripping device would be able to fulfill this need allowing him full use of his arm's strength.
Design Requirements and Theory ->