The Machine
• Axis Alignment - The axis or pivot point of the machine
is properly positioned to allow alignment with the elbow
joints.
• Accommodating Grip - The rotating handles accommo-
date to the user’s ability to achieve supination. A neutral
position can be employed to emphasize the brachioradialis,
however, the handles, designed specifically for the biceps,
are angled slightly for proper wrist/grip alignment in full
supination.
• Variable Resistance - The cam provides increased resist-
ance at the point in the range where force output of the
biceps is the greatest.
• 10 to 205 Pounds by Fives - The top plate provides a
minimum weight of ten pounds. Subsequent plates in the weight stack are twenty pounds
each. Three “slide-on” five pound incremental plates are securely positioned for easy
access and effortless addition thereby providing 10 to 205 pounds in five pound increments.
The Biceps
• Elbow Flexion - The triceps brachii is
responsible for extension of the elbow joint
as well as supination of the radioulnar joint.
The biceps are most effective at performing
elbow flexion when the position of full
supination is maintained throughout the
entire range of motion. The biceps also cross
the shoulder joint, although it is more effec-
tive at stabilizing the shoulder than moving
it. It should be noted that any movement of
the shoulder joint during resisted elbow flex-
ion usually decreases the effectiveness of
the exercise by allowing unresisted change
in the biceps’ length.
• Range of Motion - Normal elbow motion is
0 to 150 degrees. During isolated biceps work
the range of motion is limited by the user’s
ability to control the biceps in flexion
concentrically and extension eccentrically.
CYBEX VR2 Owner’s Manual
MUSCLES TRAINED
Exercise
Page 3-63
Lateral Raise
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