Punch Counting Don't just randomly punch the bag until you are
tired.  Create a program.  Start with sets of 200 punches, each
hand.  Switch to two per hand, and then four.  Track your
progress using SDXt iMetrics (requires Speed Demon XT).  Pull up
your workout history in the iMetrics logbook, or review
your workouts using the analytics provided by iMetrics.  Speed
Measurement You know you can hit the bag fast.  You just don't
know how fast.  Find out.  Only the Speed Demon can quantify
your gains. Time Trials (SDXt iMetrics) Tired of the same old
routine?  Set a time trial to see how many punches you can throw
in one minute (or more!).  Switch it around and try to complete
a "punch down" - how fast can you throw 250 punches?  500? Speed
Endurance Ratings (SDXt iMetrics) Every time you workout, SDXt
iMetrics will rate your workout using a speed endurance
algorithm that analyzes the number of rebounds and your average
speed for the duration of the workout.  Your current speed
endurance rating is your cumulati