Calculate the force by the Quadriceps needed to hold up the tibia if given the following information: Length of tibia:.65 m COG of tibia: .27 m. Weight of tibia: 50 N Machine Weight (assume this is acting straight down-it is not actually in this situation): 400 N Angle of the tibia with respect to the femur (note that this is with respect to vertical where straight down would be O and straight leg would be 90): 55 degrees Insertion of the quads: .05 m Line of pull of the hamstrings or quads: 35 degrees
Calculate the force by the Quadriceps needed to hold up the tibia if given the following information: Length of tibia:.65 m COG of tibia: .27 m. Weight of tibia: 50 N Machine Weight (assume this is acting straight down-it is not actually in this situation): 400 N Angle of the tibia with respect to the femur (note that this is with respect to vertical where straight down would be O and straight leg would be 90): 55 degrees Insertion of the quads: .05 m Line of pull of the hamstrings or quads: 35 degrees
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Transcribed Image Text:Calculate the force by the Quadriceps
needed to hold up the tibia if given the
following information:
Length of tibia: .65 m
COG of tibia: .27 m
Weight of tibia: 50 N
Machine Weight (assume this is acting
straight down-it is not actually in this
situation): 400 N
Angle of the tibia with respect to the
femur (note that this is with respect to
vertical where straight down would be
O and straight leg would be 90): 55
degrees
Insertion of the quads: .05 m
Line of pull of the hamstrings or quads:
35 degrees
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