After your kickover, your bridge is probably too wide. Land with your legs closer to your arms/head. Don't hesitate! after you kick over, quickly stand up because you will lose a lot of your momentum if you wait.
Miltank is bulky enough to take a few good hits from a physical attack, so you're not doing anything wrong. Try inflicting some damage from another Pokemon first before using...
Even when a person is not bedridden but can only stand or walk for a short period, they can still have compromised (lessened) circulation to the skin. [[Treat Bedsores|Determining the...