Studying the effect of Rheumatoid Arthritis (RA) on tendons. Tenosynovitis is one of the common features of rheumatoid arthritis in the hand. It affects both the extensor and flexor tendons, sometimes leading to granulomatous involvement and tendon rupture. The commonest sites of rupture are well known but the areas of more general tendon involvement are less understood.
exists and is an alternate of . The main process by which mountains form is through tectonic activity. When two tectonic plates collide, the crust is crumpled and pushed upwards to form mountains (as an analogy, imagine the effect of pushing a rug up against the wall).
Rating Newest Oldest. Best Answer: Vulcanism is a process that normally results in the creation of a mountain. There are other processes that form mountains and mountain ranges. I believe Mt. Everest and the Himalayas was formed by an upheaval. I am certain they were not formed by volcanic action. By looking at photos of the area you can see the mountains lack any sort of symmetry. They are rough, jagged peaks.