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The compass/star reach is an excellent measure of ankle mobility, proprioception and strength. This tool can be used for an outcome measurement and as a rehabilitation tool following ankle injury or for balance training.


  • Stand on the affected leg
  • Maintaining a level pelvis, reach as far forward, diagonal, side and behind as you can
  • You may steady yourself between each direction if required
  • Attempt to reach as far forward with the opposing leg as possible whilst maintaining your balance and control
  • Further directions may be progressed by your Physiotherapist


  • The knee of the standing leg is not collapsing to the inside of the knee
  • Your trunk isn’t shifting to counteract the movement