Joel, as applicable, consider a scrap of rope as a double handle at the bottom of those logs. Looks like two guys under a log that don't need to be. A 15' scrap, girth hitched near the middle would m and two good handles.
A friend was just telling me about how he broke his back, nearly a spinal injury. 10 years later, he's 70% recovered. Different industry. A partner carry, with a slip and fall. One guy slipped and pulled the load onto them, rather than throwing it, as was the Plan B.
Everything is fine until it's not.
Work safe. I imagine that you have a lot to focus on with a defect riddled tree. Just a thought, fwiw. This came up recently, elsewhere, here on the TH.