Hi, I tripped in the garden3 days ago and at the time only had pain in my big toe but a day later and since I have had a mild pain on my right under my ribs. Thinking on as I tripped the wash basket I was carrying may well have pushed into my side. I have no pain when breathing only when bending or if I touch when there is discomfort.
Here good if you Dont have pain while breathing in. This shows there is no internal damage. But as you have mention that there is pain while bending this shows there is a soft tissue micro level damage. Here nothing to worry even if there is a crack in rib because the rib is supported with other   bones like sternum in front and spine in back. As well it is well bundled with soft tissues to support it.  So now you need to use regular hot and cold pack to reduce inflammation and relax the soft tissues. Chances are rare but at any time if you have breathing difficulty with sever pain at affected rib area then do visit a orthopedic take an x ray to test the damage level too. And last do not do activity which pains and take rest. Take care.