I have done personal training for family & friends.
My son was a professional personal trainer, while in college.
Best overall short workout
warm up (running/cross trainer) for 20-30-minutes @ target heart rate
2. Leg (butt, front & back of legs) press
3. Bench (chest) press
4. Lat (upper back)pull down
5. Bicep (arm) curl
6. Triceps (arm) push