I always see you say this but you never actually say what kind of routine 3 full body workouts a week involves.
This is an example I use for overhead athletes (baseball, QB, tennis, etc) It's more for athletic strength but could be modified for bodybuilding.
DAY 1-
DB Bench Press (or bench press variation)
a1) Inverted Rows w/Rope
a 2) Trap Bar DL
B1) Alt Incline Press
B2) Single Leg Squat
B3) GH Raise
DAY 2 -
Box Squat
A1) DB Incline Press
A2) Lateral rotation Squat
A3) Piraformis stretch
B1) Chest Supported Row
B2) 1RDL
B3) Shoulder T-drill
DAY 3 -
Dead Lift (Reg, sumo)
or Tire Flips
A1) Neutral Grip Chins
B2) Front Squats (or variation, Zurcher)
B1) High knee walking Lng
B2) Front Plate Raise
B3) Sled Drags