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AVG. POWER (W): The average rate of doing work.
ACCELERATION TIME (msec): Total time used to reach isokinetic speed. Indicates muscle’s
neuromuscular capabilities to move the limb at the beginning of the ROM.
DECELERATION TIME (msec): Total time used to go from isokinetic speed to zero speed.
Indicates a muscle’s neuromuscular capabilities to eccentrically control the limb at the end
ROM.
ROM (deg): Greatest range the joint achieved. Allows analysis of test curves in relationship to
joint Range of Motion.
AGON/ANTAG RATIO (%): Reciprocal muscle group ratio. Excessive imbalances may predispose
a joint to injury.
TORQUE (ft-lb): A function of force and distance from the axis of rotation as measured by the
Biodex dynamometer.
GOAL: Unilateral comparison of peak torque to body weight ratio to literature published on
specific joints and pathologies.
WINDOWED DATA VS. ALL DATA: Windowed Data eliminates all data that was not generated at
isokinetic speed (ie: acceleration, deceleration, artifact spiking). All Data is valuable when
reviewing data from PTs who may not be capable of catching isokinetic speed during every
repetition.
DEFICIT (%): Deficit percentages of 1-10% indicate that there are no significant differences
between muscle groups. Percentages of 11-20% indicate that rehabilitation is recommended to
improve muscular balance. Over 20% represents a significant impairment. Negative deficits
indicate that the involved performed better than the uninvolved.
GRAVITY EFFECT TORQUE (GET) LIMB WEIGHT: Weight of the body's limb in the attachment.
Used to eliminate the additional torque applied to the muscle being tested. Limb weight is
added to torque values when working against gravity and subtracted when working
with gravity.
FORCE (F): Any action that displaces an object – linear displacement.
WORK: Force multiplied by distance produced throughout the entire ROM. The area under the
curve.
POWER (P): Rate of doing work. Work/time it takes to perform the work.
SYMMETRY: A simple comparison of involved limb to uninvolved expressed as a ratio:
Involved/Uninvolved x 100. It is recommended that limb symmetry goals are ≥ 90% for
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