An eclipse of the Moon can only take place at Full Moon, and only if the Moon passes through some portion of the Earth's shadow. The shadow is actually composed of two cone-shaped components, one inside the other.
Joints affected by rheumatoid arthritis include the small joints of the hands, legs and the cervical spine; in other cases the bigger joints like the shoulders and the knees are also affected. The effects of rheumatoid arthritis on the affected joint is failure to function making the patient have a hard time doing small things for themselves.
Rheumatoid Arthritis - Talonavicular Joint. Rheumatoid Arthritis (RA) is a common cause of talonavicular (TN) arthritis (along with fractures of the navicular, which often leads to post-traumatic osteoarthritis). When rheumatoid disease affects this joint, it leads to an inflammatory-type arthritis which can affect the TN joint and other joints of the hindfoot, midfoot, or forefoot.