Plantar Flexion
  Plantar flexion is already included in your strength exercises. When doing your strength exercises, add these modifications to plantar flexion as you progress: Hold table with one hand, then one fingertip, then no hands; then do exercise with eyes closed, if steady.  
Summary:  
 - Stand straight; hold onto a table or chair for balance.  
 - Slowly stand on tip toe, as high as possible.  
 - Hold position for 1 second.  
 - Slowly lower heels all the way back down. Pause.  
 - Repeat 8 to 15 times.  
 - Rest; then do another set of 8 to 15 repetitions.  
 - Add modifications as you progress.