Muscle testing machine

The ornamental design for a muscle testing machine, as shown.

FIG. 1 is a perspective view of a muscle testing machine showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a top plan view thereof.

Patent	Priority	Assignee	Title
6325767,	Sep 08 1998		Strength measuring device for the measurement of muscle strength of singular muscle groups of an individual
D428949,	Sep 21 1999	BANK OF AMERICA, N A , AS ADMINISTRATIVE AGENT	Exercise apparatus having single tower and support
D460506,	Sep 05 2000	NEW CHEETAH B V	Exercise device

Patent	Priority	Assignee	Title
3752144,
4720093,	Jun 18 1984	Del Mar Avionics	Stress test exercise device
4732038,	Jul 11 1986	MYOTECH CORPORATION, A CORP OF NEW YORK	Muscle testing method
4802462,	Dec 21 1987	Biodex Corporation	Muscle exercise and rehabilitation apparatus for the upper lumbar region
211831,

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