Here is an example of a great, effective simple gym workout:
- Barbell squats: 5 sets of 5 reps.
- Barbell Deadlifts: 3 sets of 3 reps.
- Push-ups (or dips): 3 sets of 15 reps.
- Pull-ups (or Inverted Rows): 3 sets of 8 reps.
- Planks: 3 sets, 1 minute hold each.