A Firm Grip | Zendy

Jeffrey L. Winters | Zendy

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A Firm Grip

Author(s) -

Jeffrey L. Winters

Publication year - 2009

Publication title -

mechanical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.117

H-Index - 17

eISSN - 1943-5649

pISSN - 0025-6501

DOI - 10.1115/1.2009-oct-2

Subject(s) - lift (data mining) , computer science , test (biology) , prime (order theory) , work (physics) , load cell , measure (data warehouse) , physical medicine and rehabilitation , simulation , mechanical engineering , structural engineering , medicine , engineering , mathematics , paleontology , combinatorics , database , data mining , biology

This article presents an overview of the Peg Restrained Intrinsic Muscle Evaluator (PRIME) device developed by a team of students at the Rice University to measure the strength of a hand affected by nerve or muscle damage. Members of the PRIME team started work on the device in the fall of 2008. Up to that time, doctors commonly used a manual muscle test to measure hand strength. In this test, a patient is asked to lift each finger while the doctor presses gently down on it. Such a measurement is crude at best and totally subjective. The research team realized that it was important for their new device to rotate freely in the x–y plane and translate freely along the z-axis. Because of this freedom of movement, when the patient pulls on the load cell, the sensor can swivel so that the full force vector is measured. This project won the Innovation Showcase competition, and the team members received $10,000 in seed money.

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