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lever arm
The required simulation parameters, like moment of inertia, stiffness of the components and lever arm length.
      
The relatively great torque during the double-stance phase is caused mainly by the medially directed, short-term impact peak at heel strike, with the stride length as lever arm.
      
If the loss of quadriceps function was more than 40%, a proportional loss of flexion torque was seen, indicating a functional impairment of the knee joint muscles not solely attributable to the loss of the lever arm.
      
Thus, the data suggest that the quadriceps lever arm was improved, which might have positive effect in mobilization of patients after TKA.
      
The BFm had equal lever arm lengths to the hip and knee joints, appears to function as a hip extensor, and may contribute to knee flexion or femoral rotation.
      
The BFp had a greater lever arm to the knee, functions as a knee flexor, and may contribute to hip extension, femoral rotation or ankle extension.
      
We propose that the skull acts as a lever arm from the anterior end of the maxilla to the first cervical vertebra.
      
The fulcrum for movement of this lever arm is the upper cervical spine.
      
Movement of the endotracheal tube in the trachea is directed by the maxillocervical lever arm when the skull and upper cervical spine are flexed, extended, or rotated.
      
It is generally accepted that this swing of the lever arm of myosin is the molecular basis of force generation.
      
The authors describe a modified prosthesis with a spring-loaded rotation mechanism that can be initiated unobtrusively and a modified foot piece in which the ankle motion is transmitted via a lever arm to a joint placed more anteriorly than usual.
      
The limited lever arm inQ2 leads to limited sensitivity to the QCD scale parameter Λ, though there is a preference for low values in the 0.1-0.2 GeV range.
      
Thereby the effective lever arm is reduced protecting the hair against breaking near its base.
      
The shortening of the patellar ligament and lever arm of the ligament were determined from radiographs of the knee joints before and after surgery.
      
The lowering of the patella was correlated to a reduction of the lever arm of the patellar ligament in seven patients.
      
The mechanism behind the lowering of the patella is obscure, but the reduced lever arm of the patellar ligament will increase the compressive force in the patellofemoral joint, and this might be one explanation of the poor results.
      
The lever arm ratio (LAR) did not change significantly in group T, but it decreased from 1.97 to 1.60 in group L (P = 0.004).
      
This means that the lever arm of the abductors can certainly be extended by lateral displacement osteotomy.
      
On the basis of Franke's data about the anatomy of the triceps brachii, the authors set up:1.An equation to calculate the lever arm of the triceps brachii at different values of the elbow angle (Θ) as measured from the fully extended elbow.
      
No difference was present between programmed and external measurement of the lever arm position.
      
 

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