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.
Joint involvement in RA. The most common set of symptoms in RA are inflammation, pain, swelling, and tightness or stiffness affecting the joints. In the early stages of RA, joint involvement may be limited to the hands and feet. However, during the course of the disease joints throughout the body may become affected, including the ankles, knees, hips, elbows, shoulders, and the neck.