(5) Your subject is performing body-weight squats in the lab, and kinematic data are being calculated. The subject is 1.67m tall, with a mass of 75kg. For the instant of analysis, the constant angular velocity of the lower leg is measured as -0.61Tad/s k, and the constant angular velocity of the thigh is 0.39 rad/s k. At the instant of this analysis, the relative angle between the thigh and lower leg is 0, and the angle between the lower leg and ground is qp. (a) Calculate the reactive forces at the knee and the hip when 0 = (b) How do you predict the forces to change as the subject goes into a deeper squat (when both 0 and p decrease)? 100°, and o = 40°.

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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(5) Your subject is performing body-weight squats in the lab, and kinematic data are being calculated. The
subject is 1.67m tall, with a mass of 75kg. For the instant of analysis, the constant angular velocity of the lower
leg is measured as -0.61 rad/, k, and the constant angular velocity of the thigh is 0.39 rad/s k. At the
instant of this analysis, the relative angle between the thigh and lower leg is 0, and the angle between the lower
leg and ground is p.
100°, and o = 40°.
(a) Calculate the reactive forces at the knee and the hip when e =
(b) How do you predict the forces to change as the subject goes into a deeper squat (when both 0 and
o decrease)?
Transcribed Image Text:(5) Your subject is performing body-weight squats in the lab, and kinematic data are being calculated. The subject is 1.67m tall, with a mass of 75kg. For the instant of analysis, the constant angular velocity of the lower leg is measured as -0.61 rad/, k, and the constant angular velocity of the thigh is 0.39 rad/s k. At the instant of this analysis, the relative angle between the thigh and lower leg is 0, and the angle between the lower leg and ground is p. 100°, and o = 40°. (a) Calculate the reactive forces at the knee and the hip when e = (b) How do you predict the forces to change as the subject goes into a deeper squat (when both 0 and o decrease)?
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