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en.wikipedia.org/wiki/Lever

A lever is a machine consisting of a beam or rigid rod pivoted at a .... for the 1st class lever, the r esistance is in the middle for the 2nd class lever, and the e ffort is in the middle for the 3rd class lever.

www.humankinetics.com/excerpts/excerpts/levers-work-to-create-movement-in-the-human-body

Levers are typically labeled as first class, second class, or third class. All three types are found in the body, but most levers in the human body are third class.

alexeinstein.wordpress.com/2014/09/03/lever-of-human-body

Sep 3, 2014 ... Lever second class , the load is between the pivot and the effort (force) and ... The fingers and hand are a class one, two or three lever system ...

www.innerbody.com/image_musc04/musc73.html

The first class lever is one of three classes of levers and is one possible ... the body than second and third class levers, the first class lever system is found in the ...

anatomyandphysiologyi.com/lever-systems-bone-muscle-relationships

Jul 11, 2014 ... Lever systems operating at a mechanical advantage and a ... In a second-class lever, the effort is applied at one end of the lever and the ...

www.exrx.net/Kinesiology/Levers.html

Movement in the body is produced by a system of levers. ... Second Class Lever ... Note: shovelling and rowing actions can also be first class lever systems if the ...

www.slideshare.net/mteast12/levers-23617914

Jun 28, 2013 ... 3 types of lever –1st class E F L –2nd class F L E –3rd class F E L; 4. ... and name the lever system • E.g write down 3rd class lever system ...

www.nrpt.co.uk/training/body/levers/second.htm

2nd class levers might not be found in the human body, but we still use them on a day to day basis. To find out more about these and other levers your body uses ...

www.ask.com/youtube?q=2nd+Class+Lever+Systems&v=d1wS_OlJzmI
Jan 20, 2016 ... Joints and levers in the human body Bones, ligaments, and muscles ... Levers are typically labeled as first class, second class, or third class.