Yes, spring mattresses are a good choice for people expecting air circulation and pressure relief from a mattress.

A pocket spring mattress with motion isolation is the best choice when it comes to a spring mattress.

Yes, spring mattresses are good for the back. They come with individual coils that are able to offer spinal alignment and comfort to most types of sleepers.

"Foam mattresses come with a foam layer as the core of the mattress. Spring mattresses come with a layer of individually cased metal coils as the core layer of the mattress. Foam mattresses offer a soft and more cushioned support while spring mattresses offer a slightly medium firm resilient support."

Medium firm mattresses are generally considered better for the back. However, some people do like firm back support as a personal preference.