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Slide #1: This slide is just an introduction to the whole assignment
Slide #2 Please do the following:
- Using the ratio of lever arm distance for balanced torque, ESTIMATE the force of her QUAD muscles, relative to the bar force. DRAW the length of the muscle vector accordingly.
Slide #3 Please do the following:
I
-CHOOSE a bodyweight ratio from the giving chart
-How much force she pushes against, with both legs, in terms of body weight. ASSUME this is the force that the person is pushing against in the picture on the previous page/slide (SLIDE #2)?
Choose a bodyweight ratio
How much force she pushes against, with both legs, in terms of body weight. Assume this is the force that the person is pushing against in the picture on the previous page
Fbar both legs
? Wbody
Fbar one leg
~? Wbody
From the information on the previous page,
Fquad/patellar
=9Fbar
Novice
Intermediate
Bodyweight Ratio
Strength Level
Beginner
Bodyweight Ratio
0.25x
0.50x
Determine how much force the quad muscle will exert doing this. This will also be the force on her patellar tendon.
Advanced
1.00x 1.25x
In terms of body weight
Fquad/patellar= 9 (?Wbody)
Assume the person weighs 500N
In Newtons Fquad/patellar = ? N
Sagot :
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