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The karma that causes the body to remain stable in its form, in its places, is called **sthira karma**.
113. Question: What is **asthira karma**? Answer: The karma that causes the body's dhatus and upadhatus to not remain stable, i.e., they keep moving, is called **asthira karma**.
114. Question: What is **adeya karma**? Answer: The karma that causes the body to be endowed with a specific radiance is called **adeya karma**.
115. Question: What is **anadeya karma**?
1. **Asthira karma** causes the transformation of rasa (nutrient fluid) into other dhatus (tissues). (Yal 13/361) This means rasa transforms into rakta (blood), rakta into mamsa (flesh), mamsa into meda (fat), meda into asthi (bone), asthi into majja (marrow), and majja into virya (semen). The karma that causes this transformation is called **asthira karma**. If **asthira karma** is not present, rasa will remain as rasa, and it will not transform into other dhatus. (Dhaval 6/63.64)
Rajavarteka (8/11, Pa. 34) states that the karma that causes the body and its limbs to remain stable even after performing difficult fasts, etc., and not become thin, is **sthira karma**. The karma that causes the body to become thin due to a single fast or exposure to ordinary cold or heat is **asthira karma**. 70 Va. 8/29/34-35, p. 176 and 755!! (33)