Behind is the tendo Achillis.

Gubernatoris alia Achillis amore capta civitatem proditit.

With this arrangement one does not have good control of his ski and stands the chance of a chafe on the 'tendon Achillis.'

Saturday, October 28.My feet sore and one 'tendon Achillis' strained (synovitis); shall be right in a day or so, however.