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11 Cards in this Set
- Front
- Back
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occurs in more or less a straight line from one location to another. All the parts of the ojbect move the SAME DISTANCE, DIRECTION, & at the same TIME.
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LINEAR/TRANSLATORY MOTION
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If movement occurs in a straight line it is called....
Give an example. |
RECTILINEAR MOTION
A CHILD ON A SLED |
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If movement occurs in a curved path it is called...
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CURVILINEAR MOTION
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Give examples of curvilinear motion.
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PATH OF A THROWN BALL, A JAVELINE THROWN ACROSS A FIELD, OR THE EARTH'S ORBIT AROUND THE SUN.
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Movement of an object about a fixed point is called...
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ANGULAR/ROTATORY MOTION
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When a person flexes at the elbow explain why this is not linear.
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ALL PARTS OF THE OJECT MOVE THRU THE SAME ANGLE, IN THE SAME DIRECTION AND AT THE SAME TIME. HOWEVER, THEY DO NOT MOVE THE SAME DISTANCE. THE HAND TRAVELS A > DISTANCE THAN THE WRIST OR FOREARM.
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Most movement within the body is what kind of movement?
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ANGULAR
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Most movement outside of the body is what kind of movement?
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LINEAR
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The movement of the scapular in elevation/depression and protration/retration is what kind of movement?
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LINEAR
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The movement of the clavicle, which is attached to the scapular, is what kind of movement and why?
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ANGULAR AND IT GETS IT ANGULAR MOTION FROMT HE STERNOCLAVICULAR JOINT.
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It is not uncommon to see both angular and linear movements occurring simutaneously. Give an example & explain.
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A PERSON MOVING ACROSS THE ROOM IN A WHEELCHAIR. THE SHOULDERS, ELBOWS AND WRISTS MOVE IN ANGULAR MOTIONS WHILE THE BODY IS LINEAR.
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