Term
| define angular kinematics |
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Definition
| mechanical descriptions of angular motions independent of mass |
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Term
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Definition
| a rotary movement of an object about an axis of rotation in which all lines of the object move through the same angle during a given time period |
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Term
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Definition
| the location of a line in a given angular reference system |
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Term
| what does angular displacement show |
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Definition
| difference between angular positions |
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Term
| what do we care about in displacement? |
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Definition
| beginnng and end position |
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Term
| what don't we care about in displacement |
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Definition
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Term
| how do we determine the direction of angular displacement |
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Definition
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Term
| how does the right hand rule work |
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Definition
| right hand ulnar side shows x axis, palm faces in positive movement direction, thumb shows positive |
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Term
| can you have a non-zero displacement at time 0? |
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Definition
| no. at time 0, displacement = 0 |
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Term
| can you have a non-zero position at time 0? |
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Definition
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Term
| can you have a non-zero angle at time 0 |
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Definition
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Term
| how to calculate angular displacement |
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Definition
| difference in angular coordinates between beginning and ending positions |
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Term
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Definition
| the vector quantity that describes the rate of angular displacement with repsect tio time |
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Term
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Definition
| the magnitude of angular velocity |
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Term
| how do we determine instantaneous angular velocity? |
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Definition
| approximate the average angular velocity over a very short time period |
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Term
| define angular acceleraation |
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Definition
| vector that describes rate of change in angular velocity |
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Term
| how to calculate average angular acceleration |
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Definition
| change in angular speed or velocity divided by time |
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Term
| how to determine instantaneous acceleration |
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Definition
| average acceleration during a short duration around a given time point |
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Term
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Definition
| the angle between a segment line and a horizontal reference axis |
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Term
| what are the 2 types of joint angles? |
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Definition
| joint configuration angle, joint movement angle |
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Term
| what is a joint configuration angle |
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Definition
| the angle between 2 articulated segments |
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Term
| what is another name for joint configuration angle |
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Definition
| segment inclination angle |
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Term
| what is the joint movement angle |
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Definition
| the movement of the angle relative to anatomical position |
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Term
| when is the hip joint angle positive |
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Definition
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Term
| when is the knee joint angle positive |
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Definition
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Term
| when is the hip joint angle negative |
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Definition
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Term
| when is the knee joint angle negative |
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Definition
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Term
| when is the anke joint angle > 90 |
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Definition
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Term
| when is the ankle joint angle < 90 |
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Definition
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Term
| which end is fixed in a closed kinetic chain |
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Definition
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Term
| where is the rotational axis in a closed kinetic chain |
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Definition
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Term
| what is the moving end in the closed kinetic chain |
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Definition
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Term
| what is the sum of the joint configuration angle and the joint movement angle? |
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Definition
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Term
| what is the rotation axis in the closed chain? |
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Definition
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Term
| what is the foot angle in the closed chain anatomical position |
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Definition
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Term
| what is the shank angle in the closed chain anatomical position |
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Definition
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Term
| what is the thigh angle in the closed chain anatomical position |
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Definition
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Term
| which end is moving in the open kinetic chain |
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Definition
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Term
| where is the reference line in the open kinetic chain |
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Definition
| through the proximal end of the joint |
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Term
| where is the moving line of the open kinetic chain |
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Definition
| through the distal end of the joint |
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Term
| WHICH ANGLE IS FIXED IN THE OPEN KINETIC CHAIN |
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Definition
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Term
| EVERYTHING MOVES ABOUT WHAT JOINT in the open kinetic chain |
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Definition
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Term
| when you are standing in the open kinetic chain, where is your rotation axis? |
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Definition
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