You’ll want to know how the presentation and finishing pose for boys differs from ladies. To learn more about Presenting and Finishing and how important it is to know these terms, search for them in the library to read the post on the pose for ladies.
Straight legs together.
Flat feet on the ground.
One arm up.
Arm parallel with the head and neck.
Palm can be facing in or out. I have seen both.
Second arm out horizontal or straight down, parallel to the leg.