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[0] Superficial digital flexor tendon ( SDFT) [1] Superficial digital flexor muscle [2] Back of long and short pastern bones [4] Passes down the back of the cannon bone covering the DDFT, enclosing it at the fetlock joint forming Annular ligament. [3] 
Flexes the joints of the lower leg, prevents fetlock from over extending & helps with weight bearing.
Equiworld - Equestrian Information - tendons and ligaments of the lower leg - horses and ponies on the internet
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