F. SVYASA Dissertations
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Yoga Dissertations by Yoga Students at SVYASA. These pages present some efforts of SVYASA at Scientific Validation of Yoga, combining the best of the East with the best of the West
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Item State anxiety, mindfulness and heart rate variability dynamics in healthy adults(S-Vyasa, 2017-01-16) Kurian, JintuBackground India is currently facing disorders in lifestyle, and resulting physical, mental, and social disharmony such anxiety, stress, worries, lack of awareness, variations in the heart rate. The epidemiological studies shows a hike from communicable diseases to non-communicable diseases indicating that the adults are more prone for anxiety related, mindfulness related and heart rate related issues. Introduction Mindfulness has been conceptualized as the process of bringing attention and awareness to objects within the experience of the present moment with a non-judgmental and non-evaluative acceptance and openness. State anxiety (SA) can be conceptualized as “a state in which an individual is unable to instigate a clear pattern of behavior to remove or alter the event/object/interpretation that is threatening an existing goal. Heart rate variability (HRV) refers to beat to beat alterations in the heart rate and is associated with cardiac autonomic regulation. Correlational study design was used. Eighty three subjects were assessed using state anxiety and mindfulness questionnaire and heart rate variability measurement. There was no intervention, since our objective was to understand correlation between mindfulness, state anxiety and heart rate variability. Result: SMAAS, STAI and HRV were assessed to understand the correlation between these three variables. Results showed significant high negative correlation between SMAAS and STAI. STAI and LF of HRV is positively correlated whereas SMAAS and LF is negatively correlated. There was a significant moderate negative correlation between STAI and HF, whereas SMAAS is positively correlated with HF. And also, there was a significant moderate positive correlation between STAI and LF/HF ratio and negative correlation between SMAAS and LF/HF ratio. Conclusion: There was a significant moderate negative correlation between STAI and, whereas SMAAS is positively correlated with HF. And also, there was a significant moderate positive correlation between STAI and LF/HF ratio and negative correlation between SMAAS and LF/HF ratio.Item Changes in Heart Rate Variability Following Yogic Visual Concentration (Traoaka)(S-VYASA, 2014-06-13) V. RammurthyYoga is an ancient Indian science and way of life. Sage Patanjali (circa 900 B.C) explains the theoretical aspects yoga in 196 aphorisms called yoga sutras (Taimini, 1999). Patanjali evolved Aṣṭaanga yoga (eight limbed yoga) to reach the ultimate reality. Later around 10th Century CE Sage Svatmarama wrote a text called Haoha Yoga Pradipika which explains the method and benefit of yoga techniques. He prescribes six cleansing techniques (kriyas) viz., dauti, basti, neti, trataka, nauli and kapalabhati to purify the body. The goal of Haoha Yoga is to prepare the body and mind for the practice of Rajayoga or Aṣṭanga Yoga (Muktibodhananda, 1993). The literal meaning of the Sanskrit word traṭaka is “to gaze steadily”. Looking intently with an unwavering gaze at a small point until tears are shed is known as traṭaka (Haoha Yoga Pradipika, Ch:2.31). Haoha Yoga Pradipika mentions that, practice of traṭaka eradicates all the eye diseases, fatigue and lethargy (Haoha Yoga Pradipika, Ch: 2.32). Though traṭaka is considered as cleansing technique, the final stage of traṭaka leads to meditative mental state (Nagaratha & Nagendra, 2000). Recently, a study has been conducted to assess the immediate effect of traṭaka on critical flicker fusion (Mallick & Kulkarni, 2010). The critical flicker fusion (CFF) is defined as the frequency at which a flickering stimulus is perceived to be continuous. There was a significant increase in CFF following traṭaka suggesting changes at the cortical level in the processes that mediate fusion. Meditation and autonomic changes are researched extensively and shown shift towards vagal tone during meditation (Orme-Johnson, 1973; Telles et al., 2013; Wallace, 1970). However, there was no study evaluating autonomic changes during traṭaka which is similar to meditation. Hence, in the present study, we used heart rate variability (HRV) which is a well-known and extensively used method to evaluate autonomic modulation .