"The 12 Principles of Animation in Maya." Specifically, look for a tutorial on Squash and Stretch . Next, move to "Maya Rigging Basics" to understand how skeletons (joints) control movement.
Start with Flipside's beginner guide to get over the fear of the UI. Then, build a portfolio piece. When you get stuck on a specific tool (like "Bevel" or "MASH networks"), Google that specific phrase. autodesk maya tutorial
Before diving into any specific , you need the right setup. "The 12 Principles of Animation in Maya