Causes Of Swollen Elbows Why Would My Arms Be Swollen After Lifting Weights?

Why would my arms be swollen after lifting weights? - causes of swollen elbows

I'm not a weightlifter. I started with a personal trainer and has me lift weights. It was Tuesday. As of Wednesday, my arm started to grow and still in the flood in the area above the elbow. What are the causes and what can I do to ease the pain?