. On the anatomy of vertebrates [electronic resource] . Lever of the first kind. Lever of the second kind. In lifting a weight in the hand by motion of the fore-arm only,fig. 33,the elbow-joint is bent; the power (of the flexors of thefore-arm) being applied (as by the biceps, p) at a, between thefulcrum (elbow-joint) f, and the resistance w or b, according to thethird kind of lever exemplified in fig. 34. The mechanism of the pulley is exemplified in the passage of thetendons of the peronei muscles through the groove of the externalmalleolus of the human ankle-joint, in the tendon of the obtu
. On the anatomy of vertebrates [electronic resource] . Lever of the first kind. Lever of the second kind. In lifting a weight in the hand by motion of the fore-arm only,fig. 33,the elbow-joint is bent; the power (of the flexors of thefore-arm) being applied (as by the biceps, p) at a, between thefulcrum (elbow-joint) f, and the resistance w or b, according to thethird kind of lever exemplified in fig. 34. The mechanism of the pulley is exemplified in the passage of thetendons of the peronei muscles through the groove of the externalmalleolus of the human ankle-joint, in the tendon of the obturator 33. internus gliding through the groove in the os ischii, in the tendonof the circumflexus palati passing through the hamular process ofthe sphenoid bone, in the tendon of the obliquus superior glidingthrough the ring attached to the frontal bone, and! in severalother instances where a change of the directions of the limbsresults from tendons passing over joints, through grooves in LOCOMOTION OF MAMMALIA. 65
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