General
Exercise
Guidelines
Page 2-11
Cybex VR2 Owner’s Manual
Subluxation - a partial dislocation of a joint; usually reduces itself.
Submaximal Exercise - exercise at less than maximal intensity, may also refer to exercise of
less than maximal duration.
Superior - a higher position upon or within the body.
Synergist - occurs during the action of two muscles, both of which have a common joint
action and each of which has a second action that is antagonistic or opposing to the other.
True synergy is simply the stabilization of one muscle to prevent any action in one of the joints
traversed by a multi-joint muscle.
Synovial Fluid - a transparent, viscous lubricating fluid found in joint cavities, bursae and ten-
don sheaths.
Tendons - cords of dense fibrous tissue that connect muscle to bone.
Tertiary Joint - a complex joint structure (wrist/ankle-subtalor), designed for finely controlled
movements.
Torque - the ability of a force to produce movement around an axis.
Translatory Motion - (linear) the movement of an object in a straight line.
Unilateral - refers to only one side.
Vector - typically represented by a drawn arrow, representing a force’s point of application,
action line or direction indicating pull or magnitude of force being exerted.
Vector Shift - a manipulation of the force or loadline through the chain by altering the position
of the anchors relative to the joints or vice versa.
Velocity - the rate at which an objects position changes with time; that is the total change in
position divided by the total change in time: V-d/t.
Weight - a unit of heaviness which is the product of the mass of an object and the gravita-
tional force exerted on it by the earth. W=mg, where g = gravitational acceleration.
Work - W = Fd. The amount of work performed is equivalent to the force applied to an object
times the distance the object is moved.
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