Kinesiology
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Kinesiology - Marcador
Kinesiology - Detalles
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27 preguntas
| 🇬🇧 | 🇬🇧 |
| Planes of movement? | Sagittal - left and right Frontal - front and back Transverse - top and bottom |
| How are the planes of movement determined? | From the anatomical position |
| What are the axes of movement? | - all joint movement is one segment rotating about another - axes body of movement are rotational or angular movements of body segments |
| What are the axes of movement? | Anterior-posterior axis: anterior to posterior or front to back transverse axis: left to right horizontally longitudinal axis: top to bottom |
| What is a lever? | Rigid bars that rotate around an axis or fulcrum |
| What is needed for a lever to move or overcome a resistance? | A force to be applied |
| What in the body is the rigid bar? | Bone or ligament segment |
| What in the body is the force/effort? | The muscles |
| What is the load? | The resistance - its an external force (gravity, contact or collision) |
| What is the 1st class lever? | The fulcrum/axis is between the load and the force |
| What is the 2nd class lever? | The load is between the fulcrum and the force |
| What is the 3rd class lever? | The force is applied between the fulcrum and the load |
| What is the torque? | Torque is the degree to which a force tends to rotate an object about a specified fulcrum |
| What is a mechanical advantage? | Mechanical advantage is defined as the ratio of the force moment arm (distance from the fulcrum) divided by the resistance moment arm (distance from the fulcrum) |
| How do you calculate acceleration? | A= velocity2- velocity1/ time |
| What is linear kinematics? | The motion of the body |
| What is distance? | The length of path which a body covers during motion |
| What is displacement? | The change in position of a body during motion |
| What is scalar and a vector? | Scalar - direction only eg distance Vector - direction and magnitude eg displacement |
| How do you calculate displacement? | Pythagorean theorem |
| How do you calculate velocity? | V=distance/time |
| How do you calculate acceleration? | A= velocity2- velocity1/ time |
| What is the angular motion? | Where all parts of the body move through the same angle |
| What is angular distance? | The sum of all the angular changes of a rotating body between its initial and final positions |
| How to calculate angular velocity? | Equal to angular displacement divided by the change in time |
| How to calculate angular acceleration? | Change in angular velocity divided by change in the time |