Friday, April 06, 2007

foot


Foot's bones are obivousley the same as hand bones.
total bone's of foot(each): 26 (one less than each hand)
7 tarsal bones:
2 in proximal row
4 distal row
1 centered between rows
the tarsal are distally followed by a single row of 5 metatarsals
farther distally:
single row of 5 proximal phalanges,
single row of 4 intermediates phalanges,
single row of 5 distal/terminal phalanges.
(hand=)there are small Sesamoid bones that lie within tendons of the foot. in foot sesamoids is usually found below the head of first metatarsal.
elements of the foot skeleton :
tarsals
metatarsals
phalanges
The human foot has dramaticlly changed during its evolution from a grasping organ to a structure adapted to bipedal locomotion.
Most of the foot flexibity, and grasping abilities have been lost in humans as the foot had adapted to shock absorption and propulsion.

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