My heel strike when running or landing from a jump causes my heel and achiles and other to rub against each other it seems and has some pain.
For example when i jump and land my heel hit the ground first sometimes causing something to rub against each inside my acchiles and such.
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I tend to land like this when i RUN and JUMP in my left foot.....
causing pain in acchilles because something seems to rub against each other....