Hatha yoga postures come in numerous forms. For a beginner, states the historian of religion Mircea Eliade, these "asanas" are uncomfortable, typically difficult, cause the body shakes and typically unbearable to hold for extended periods of time. However, with repetition and persistence, as the muscle tone improves, the effort reduces and posture improves. According to the Hatha yoga texts, each posture becomes perfect when the "effort disappears", one no longer thinks about the posture and one's body position, breathes normally per "pranayama", and is able to dwell in one's meditation ("anantasamapattibhyam"). The "asanas" discussed in different Hatha yoga texts vary significantly. Unlike
Hinduism karma, cows and caste"; and Bhakti or devotional Hinduism, where intense emotions are elaborately incorporated in the pursuit of the spiritual. Michaels distinguishes three Hindu religions and four forms of Hindu religiosity. The three Hindu religions are "Brahmanic-Sanskritic Hinduism", "folk religions and tribal religions", and "founded religions. The four forms of Hindu religiosity are the classical "karma-marga", jnana-marga, bhakti-marga, and "heroism", which is rooted in militaristic traditions, such as Ramaism and parts of political Hinduism. This is also called virya-marga. According to Michaels, one out of nine Hindu belongs by birth to one or both of the Brahmanic-Sanskritic Hinduism and