A volleyball dive or roll doesn't help you dig a ball but it helps you protect your body and land safely on the ground AFTER keeping a ball off the floor.   

A volleyball dive or roll helps you  

• protect your body and 
• land safely on the ground

AFTER you've chased down a ball that's been  

• hit into or around your court and
• you've deflected it into the air to keep it off the floor.

The Volleyball Dive and Roll Using The Three Step Barrel Roll Technique  This will require a back court digger to learn how to do  a barrel roll technique. 

How does a barrel roll help you dig in volleyball?   

Go to https://www.improveyourvolley.com/volleyball-dive.html to read more…