Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The joints of the body in a dream indicate relatives and partners. Their strength is the relatives' strength, and their weakness is their weakness.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
Joints indicate the management of affairs. Pain in them indicates poor management.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
Joints are interpreted as wealth. Whoever sees his joints are strong, his wealth will increase.