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Kinesiology
Intro
| Term | Definition |
|---|---|
| ____________ describes motion regardless for the forces producing the motion. | kinematics |
| ____________ is concerned with the forces producing motion or maintaining equilibrium | kinetics |
| name 2 motions that movement can be classified as. | osteokinematic arthrokinematic |
| the term used to describe movement in the body when the distal segment is not in a weigh bearing position is ______ _________ ____ | open kinematic chain |
| define OSTEOkinematics | movement of bone |
| define ARTHROkinematics | movement of joints |
| define CREEP | steady weight in same location over an extended period of time |
| What is Newton's 3rd Law | For every action there is an equal but opposite reaction |
| Is a 3rd class lever more or less efficient? | it is inefficient |
| Name an example of a 3rd class lever in the human body | elbow |
| Define torque | magnitude of the applied force and the distance between the action line and joint axis and rotation |
| what is rotary force | portion of force applied perpendicular to the floor |
| how can compression forces be reduced in a joint during exercise? | specialized treadmills, water therapy |
| what is translatory force | parallel to the lever |
| True or False: the Center of Gravity is always located within a body segment | False |
| a __________ occurs when two or more forces act at a common point of application on an object but in divergent directions. | Concurrent force systems |
| Is neck flexion/extension an example of a 3rd class lever? | no |
| In an Open Kinematic Chain what direction does the TIBIA glide during knee flexion? | POSTERIOR |
| define leverage | relative moment arm length possessed by a particular force |
| what is the property of a material demonstrated by its ability to return to its original length after the removal of deforming force? | Elasticity |
| the application of force that twists a material about its longitudinal axis is ___________. | torsion |
| what is the application of one or more forces that pulls apart or separates a material? | tension |
| by generating more ______ you generate more force. | speed |
| performing push ups is a form of what kind of chain? | closed |
| resultant force | the force that is created when 2 or more forces acting at a common point of application but in divergent directions |
| property of a material demonstrated by remaining permanently deformed after the removal of a force. | plasticity |
| True or False: contraction of a sarcomere is the result of actin filaments sliding past the myosin filaments. | TRUE |
| name 4 major impairments | pain muscle tone abnormalities joint restriction inflammation repair |
| True or False: to conserve energy the body will recruit the maximal number of motor unitys it needs to perform a task | False |
| Center of Gravity | approx. at S2 |
| Rotary Component | portion of force applied PERPENDICULAR to the lever |
| What is the formula for torque? | T=F*MA |
| What occurs when two objects come in contact with one another? | Friction |
| Is SHEAR force a form of Friction? Yes/No | Yes |
| Change in shape is called _____________________. | Deformation |
Created by:
Samantha S.
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