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- Ground_reaction_force abstract "In physics, and in particular in biomechanics, the ground reaction force (GRF) is the force exerted by the ground on a body in contact with it.For example, a person standing motionless on the ground exerts a contact force on it (equal to the person's weight) and at the same time an equal and opposite ground reaction force is exerted by the ground on the person.In the above example, the ground reaction force coincides with the notion of a normal force. However, in a more general case, the GRF will also have a component parallel to the ground, for example when the person is walking – a motion that requires the exchange of horizontal (frictional) forces with the ground.The use of the word reaction derives from Newton's third law, which essentially states that if a force, called action, acts upon a body, then an equal and opposite force, called reaction, must act upon another body. The force exerted by the ground is conventionally referred to as the reaction, although, since the distinction between action and reaction is completely arbitrary, the expression ground action would be, in principle, equally acceptable.The component of the GRF parallel to the surface is the frictional force. When slippage occurs the ratio of the magnitude of the frictional force to the normal force yields the coefficient of static friction.GRF is often observed to evaluate force production in various groups within the community. One of these groups studied often are athletes to help evaluate a subject's ability to exert force and power. This can help create baseline parameters when creating strength and conditioning regimens from a rehabilitation and coaching stand point. Plyometric jumps such as a drop-jump is an activity often used to build greater power and force which can lead to overall better ability on the playing field. When landing from a safe height in a bilateral comparisons on GRF in relation to landing with the dominant foot first followed by the non-dominant limb, literature has shown there were no significances in bilateral components with landing with the dominant foot first faster than the non-dominant foot on the GRF of the drop-jump or landing on vertical GRF output.".
- Ground_reaction_force wikiPageID "13148240".
- Ground_reaction_force wikiPageLength "3150".
- Ground_reaction_force wikiPageOutDegree "9".
- Ground_reaction_force wikiPageRevisionID "639034362".
- Ground_reaction_force wikiPageWikiLink Biomechanics.
- Ground_reaction_force wikiPageWikiLink Category:Biomechanics.
- Ground_reaction_force wikiPageWikiLink Category:Mechanics.
- Ground_reaction_force wikiPageWikiLink Contact_force.
- Ground_reaction_force wikiPageWikiLink Newtons_laws_of_motion.
- Ground_reaction_force wikiPageWikiLink Normal_force.
- Ground_reaction_force wikiPageWikiLink Physics.
- Ground_reaction_force wikiPageWikiLink Reaction_(physics).
- Ground_reaction_force wikiPageWikiLink Weight.
- Ground_reaction_force wikiPageWikiLinkText "Ground reaction force".
- Ground_reaction_force wikiPageWikiLinkText "Ground reaction forces (GRF)".
- Ground_reaction_force wikiPageWikiLinkText "ground reaction force (GRF)".
- Ground_reaction_force wikiPageWikiLinkText "ground reaction force".
- Ground_reaction_force wikiPageWikiLinkText "upward direction by the ground".
- Ground_reaction_force hasPhotoCollection Ground_reaction_force.
- Ground_reaction_force wikiPageUsesTemplate Template:Reflist.
- Ground_reaction_force subject Category:Biomechanics.
- Ground_reaction_force subject Category:Mechanics.
- Ground_reaction_force hypernym Force.
- Ground_reaction_force type MilitaryUnit.
- Ground_reaction_force type Biophysic.
- Ground_reaction_force type Mechanic.
- Ground_reaction_force type Physic.
- Ground_reaction_force comment "In physics, and in particular in biomechanics, the ground reaction force (GRF) is the force exerted by the ground on a body in contact with it.For example, a person standing motionless on the ground exerts a contact force on it (equal to the person's weight) and at the same time an equal and opposite ground reaction force is exerted by the ground on the person.In the above example, the ground reaction force coincides with the notion of a normal force.".
- Ground_reaction_force label "Ground reaction force".
- Ground_reaction_force sameAs قوة_رد_فعل_الأرض.
- Ground_reaction_force sameAs Siła_reakcji_podłoża.
- Ground_reaction_force sameAs m.02z8mwp.
- Ground_reaction_force sameAs Q5610971.
- Ground_reaction_force sameAs Q5610971.
- Ground_reaction_force wasDerivedFrom Ground_reaction_force?oldid=639034362.
- Ground_reaction_force isPrimaryTopicOf Ground_reaction_force.