Here is the full list of all 23 My Exercise achievements.
Complete one set.
Enter the dog's vision.
Do 10 sit-ups.
Complete one set in under 8 minutes.
Recover from melting.
Don't stop the seal while it's sliding.
Clap the girl's hands ten times.
Rub the girl's hands ten times.
Rub the fur for 30 seconds.
Reach 2,000 points in one set.
Reach 20,000 points in one set.
Exercise for 1 hour.
Complete 2 sets.
Complete 4 sets.
Complete 6 sets.
Complete 8 sets.
Complete 9 sets.
Complete 10 sets.
The Buddha enters the dog.
Watch 50 sit-ups without touching the root.
Slap the root 100 times in 14 seconds.
Plant 9 flowers before you reach 130 points.
Discover the small Buddha.