Term
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Definition
| The scientific study of muscular activity and the anatomy, physiology, and mechanics of movement. |
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Term
Rotary (angular)
Translatory (linear)
General plane |
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Definition
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Term
Distance (displacement)
Linear velocity (m/s)
Linear acceleration (m/secsquared) |
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Definition
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Term
ROM (degrees, radians)
Angular velocity (degrees/sec)
Angular acceleration (degrees/secsquared) |
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Definition
| Angular motion quantities |
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Term
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Definition
| What is the cause of linear motion? |
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Term
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Definition
| What is the cause of angular motion? |
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Term
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Definition
| Torque with direction defined? |
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Term
Line of gravity
Base of support
Height of center of gravity |
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Definition
| Factors affecting the stability of a body? |
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Term
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Definition
| Formula for angular acceleration |
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Term
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Definition
| Force systems: forces acting on the same object and in the same line |
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Term
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Definition
| Force systems: two or more forces acting on an object in a common point of application, but in divergent directions |
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Term
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Definition
| Force systems: Two or more forces acting on the same object, parallel to, but at a distance from one another |
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Term
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Definition
| Internal moment generated by muscles exceeds external moment resisting it |
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Term
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Definition
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Term
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Definition
| Radius from axis of rotation x magnitude of force causing the rotation |
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Term
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Definition
| perpendicular distance from point of application of force to axis of rotation |
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Term
Mechanical advantage = 1
fulcrum between effort arm and resistance arm |
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Definition
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Term
mechanical advantage greater than 1
resistance arm between fulcrum and effort arm |
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Definition
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Term
mechanical advantage less than 1
effort arm between fulcrum and resistance arm |
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Definition
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Term
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Definition
| Moment arm is greatest when force is applied how in relation to the lever |
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Term
Increasing magnitude of internal force
Applying the force perpendicularly
Increasing the moment arm |
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Definition
| Joint moment can be increased by what? |
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Term
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Definition
| The effect of the movement of one joint upon the movement of another joint (or series of joints) within the kinetic chain. |
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Term
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Definition
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Term
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Definition
| An organized relationship between two or more body parts, (joints or muscle groups,) and/or nervous system (brain and spinal cord) circuitry, to facilitate the achievement of a movement goal |
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Term
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Definition
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Term
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Definition
| factors which do not vary by design |
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Term
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Definition
| Behaviors naturally facilitated, but not obligatory |
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Term
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Definition
| factors which are free to vary, so long as invariants, restraints, and constraints are preserved |
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Term
| Short loop reflexes may contain as few as one synapse, basic action. Long loop reflexes are more complicated and may contain several synapses. More of a motor skill than a basic action. |
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Definition
| Long-loop vs. short loop reflexes |
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Term
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Definition
| Sensation of muscle tension, joint position, angular acceleration, pressure, (and vibration). |
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