Dad's upper body workout

My 67 year old dad is in phase two of training (strength endurance).  The following was his workout for today.

Stretch: toe touch, trap and delt stretches, adductor stretch, and lat stretch (30 seconds hold for each)

Warm-up: Treadmill intervals for 15 minutes

Abdominals: stability ball crunch 15 reps, reverse crunch 15 reps, plank for 30 seconds (2 rounds - 30 seconds rest)

Balance: lunge to balance 5 reps each leg (2 rounds - 60 seconds rest)

Workout:
Chest (superset)

• barbell bench press 6 reps at 75lbs
• stability ball single arm bench press 8 reps each arm 12 kilogram kettlebell (26.4lbs)
• Rest 90 seconds
• Repeat (2 rounds total)

Back (superset)

• pull downs 8 reps at 120lbs
• kettlebell one-arm rows 8 reps at 12 kilograms
• Rest 90 seconds
• Repeat (2 rounds total)

Repeat stretches
** Don't have any weights?  Make your own with milk jugs and sand or water, OR buy your first kettlebell from me.  Don't have a treadmill?  Walk around the largest room in your home for 15 minutes.