Isokinetics in Rehabilitation

Isokinetic Exercise

Movement that occurs at a constant angular velocity with accommodating resistance

Advantages

Maximum muscle tension throughout the range of motionWhy?Resistance is variable to match the muscle

tension produced at the various points of the range of motion.

Isokinetic machines allow the angular velocity to be preset and accommodate the resistance

Advantage cont.

Ability to work at various velocities to simulate functional activityBut:

functional activity usually greatly exceed the velocity capacity of isokinetic dynamometers (e.g. pitchers 6,500-7,200 degrees/sec., machine 300-500 d/s)

Testing usually non-weight-bearing; not representative of functional activities

Biodex System 3

Concentric and Eccentric motionIsometric, isotonic, continuous passive

motion (CPM), and isokinetic exercise modes.

High speed concentric activity and very user friendly

Biodex System 3

Cybex 6000:

Concentric and eccentric motionPowered and non-powered modesVery versatile machine can be used for

many upper and lower body exercises

Cybex 6000

Kin-Com

Eccentric and concentric activitiesIsometric, isotonic, CPM, and isokinetic

modesVery user friendly

Kin com

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