The best Lat and Biceps exercise

Based on this experiment, here are the top three exercises in terms of mean and peak activity for each muscle part:

Biceps

Mean Weighted Wide Parallel-Grip Pull-up, Weighted Chin-up, BB Curl
Peak Weighted Chin-up, Weighted Wide Parallel-Grip Pull-up, EZ-Bar Curl

Lats

Mean Weighted Chin-up, Weighted Pronated Wide-Grip Pull-up, Rack Pull
Peak Weighted Pronated Wide-Grip Pull-up, Rack Pull, Underhand-Grip Feet Elevated Inverted Row

Mid Trap

Mean DB Bent-Over Row, DB Elbows Out Chest-Supported Row, Prone Trap Raise
Peak Prone Trap Raise, DB Bent-Over Row, DB Elbows Out Chest-Supported Row

Lower Trap

Mean DB Bent-Over Row, Prone Trap Raise, DB Elbows Out Chest-Supported Row
Peak DB Elbows Out Chest Supported-Row, Prone Trap Raise, DB Bent-Over Row