While doing a back squat, you're doing reps with 300 pounds on the barbell (total mass of the barbell and weights; you're strong...you got this!). At the bottom of your squat, your hip is flexed to a 45deg angle, your knee is flexed to a 90deg angle, and your ankle is dorsiflexed to 75deg. The force vector of the barbell is 15cm anterior from the hip joint, 20cm posterior from the knee joint and 12cm anterior from the ankle joint. How much torque is the barbell applying to the hip joint? 160.53Nm extension torque 200.66Nm flexion torque 138.29Nm extension torque News team....ASSEMBLE!!!!!!! 267.55 Nm flexion torque

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
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While doing a back squat, you're doing reps with 300 pounds on the barbell
(total mass of the barbell and weights; you're strong...you got this!). At the
bottom of your squat, your hip is flexed to a 45deg angle, your knee is flexed to
a 90deg angle, and your ankle is dorsiflexed to 75deg. The force vector of the
barbell is 15cm anterior from the hip joint, 20cm posterior from the knee joint
and 12cm anterior from the ankle joint. How much torque is the barbell
applying to the hip joint?
160.53Nm extension torque
200.66Nm flexion torque
138.29Nm extension torque
News team....ASSEMBLE!!!!!!
267.55 Nm flexion torque
Transcribed Image Text:While doing a back squat, you're doing reps with 300 pounds on the barbell (total mass of the barbell and weights; you're strong...you got this!). At the bottom of your squat, your hip is flexed to a 45deg angle, your knee is flexed to a 90deg angle, and your ankle is dorsiflexed to 75deg. The force vector of the barbell is 15cm anterior from the hip joint, 20cm posterior from the knee joint and 12cm anterior from the ankle joint. How much torque is the barbell applying to the hip joint? 160.53Nm extension torque 200.66Nm flexion torque 138.29Nm extension torque News team....ASSEMBLE!!!!!! 267.55 Nm flexion torque
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