DSpace@SVYASA
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- This Division of Yoga and Life Sciences comprises of 3 departments named: Department of Health Sciences, Bio-Sciences and Natural Sciences. Each of these departments has 8 sections as shown.
- This community deals with Physical Science
- This department related to Managment
- This Community related to yoga and Humanities
Recent Submissions
SAFE USE OF SCREEN TIME AMONG ADOLESCENTS – A RANDOMIZED CONTROL STUDY FOR EFFICACY OF YOGA
(S-VYASA, 2025-10-11) Manisha Mona; Sony Kumari; Nitin Anand
Background:
Excessive screen time among adolescents has emerged as a major concern, contributing to
negative outcomes such as depression, anxiety, behavioral issues, poor physical health, and
diminished cognitive functioning. These include impaired executive functioning, anxiety,
depression, sleep disturbances, and smartphone addiction. The increasing dependency on
digital media necessitates effective, holistic interventions. Holistic approaches like yoga may
serve as effective interventions by enhancing self-regulation, mental clarity, and physical
well-being.
Aim:
To evaluate the feasibility, efficacy, and validity of yoga-based interventions aimed at
managing screen time and associated psychological and physical symptoms in adolescents.
Methods:
• Study 1: A needs assessment survey was conducted to understand concerns related to
excessive screen usage behavior among students, teachers, and parents, with a focus
on addressing the health-related impacts on adolescents.
• Study 2: A comprehensive yoga module was developed using classical yogic texts
and modern scientific literature. The module was reviewed and validated by 26
experienced yoga professors, each with over 10 years of expertise. A feasibility study
(pilot study) was conducted to assess the module’s impact on screen time, mental
health, and well-being in adolescents, using convenient sampling and non-random
group allocation (15 in yoga, 15 in control group).
• Study 3: This randomized controlled trial involved 100 schoolchildren aged 13–17
from Endeavour Academy, Bangalore. Participants were randomly assigned to either
a yoga group or a control group using an online randomizer, with 50 participants in each. Sample size was calculated using G-Power software based on a prior pilot study,
ensuring statistical power. Inclusion criteria focused on adolescents with adequate
English skills and willingness to join the yoga program, while exclusions were based
on lack of internet access, medical issues, or low screen time.
Assessment: For study 1 need assessment survey was conducted based on self-developed
google form questionnaire in online mode. For study 2 and study 3 participants were
evaluated for Screen Time Use Questionnaire (STQ), WHO-5 Well-being Index, Generalized
Anxiety Disorder (GAD-7) for assessing generalized anxiety and Patient Health
Questionnaire (PHQ-9) to assess depressive symptoms, and Smartphone Addiction Scale
Short Version (SAS-SV). The questionnaires were administered before and after the duration
of the study intervention. Additionally in study 2 Content validity of the yoga module
developed for optimizing screen time was assessed using Lawshe’s Content Validity Ratio
(CVR)
Intervention: The study 1 was survey study. The yoga protocol executed in the study 2 and
study 3 (main-study) consisted of shitalikarna vyayama (loosing Exercise), Shavasa
prashvasa kriya (breathing practice), asanas (physical postures), relaxation technique (supine
position) (QRT with affirmation), pranayama (breathing techniques), meditation, concept of
four streams of yoga, sitting position, kriya, and yogic games. The yoga intervention was
given 3 days a week, 45 minutes a day, for one months in study 2 and three months in study
3. The digital hygiene educational routine issued by UGC (India) was given to the control
group for the equivalent duration as the yoga group in both the study.
Results:
• Study 1: Highlighted the multidimensional benefits of school-based yoga, as it supports
students' physical, emotional, and cognitive well-being, fostering resilience and long
term healthy development. Reports the evidences that suggests integrating yoga into school curriculums may be an effective, evidence-based strategy to counter the negative
effects of excessive screen time.
• Study 2: Six practices were removed due to low CVR scores, and 21 out of 27 validated
practices were retained in the final module (CVI = 0.72). Feasibility study for
authenticating the developed module showed a significant decrease in screen time
(p<0.05) and improvements in anxiety (p<0.01), depression (p<0.001), and well-being
(p<0.01) after the 12 sessions of intervention.
• Study 3: Reported statistically significant reductions in screen time (p<0.001),
smartphone addiction, anxiety (p<0.05), and depressive symptoms (p<0.01) in the yoga
group. Substantial improvements were also noted in specific subcategories of screen
time within the yoga group, with time spent watching television consistently decreasing
across all periods [weekdays (p<0.01), weeknights (p<0.001), weekends (p<0.05)].
Conclusion:
Yoga interventions significantly reduce excessive screen use and related health complications
in adolescents. Incorporating yoga into school curricula offers a preventive and restorative
approach to fostering balanced development. Continued research is recommended to further
explore its long-term impact and application in broader educational and clinical settings.
Keywords:
Screen time, adolescents, yoga intervention, mental health, and smartphone addiction, school
curriculum, mindfulness.
Yoga Sudha - October 2025
(Mahadevappa on behalf of S-VYASA, 2025-10-10) H. R. Nagendra; Aarti Jagannathan
EFFECT OF INTEGRATED APPROACH OF YOGA THERAPY ON THE PAIN, DEPRESSION, KOOS AND QUALITY OF LIFE IN OSTEOARTHRITIS PARTICIPANTS
(S-VYASA, 2025-08-19) Ved Prakash Yadav; Rajesh Nair
BACKGROUND:
Osteoarthritis (OA) is a prevalent degenerative joint disorder, particularly affecting weight-bearing
joints like the knee. Chronic pain, stiffness, reduced joint function, and psychological
consequences such as depression and anxiety severely affect the quality of life (QoL) in OA
patients. (David J Hunter, 2019) Complementary interventions like yoga therapy are gaining
clinical attention due to their holistic effects. Yoga’s mind-body approach integrates physical
postures (āsana), controlled breathing (prāṇāyāma), meditation (dhyāna), and lifestyle principles
that impact both physical and mental well-being. (Carly M Drzewiecki et.al, 2021). Conventional
management strategies, such as pharmacotherapy and surgery, offer limited long-term relief and
may cause adverse effects, prompting interest in complementary therapies like yoga(Geoffrey M
Currie et.al, 2019). Yoga, which includes gentle movements, breathing exercises, and relaxation,
has shown promise in reducing pain and improving mood and physical function in people with
knee osteoarthritis there is growing interest in complementary approaches such as yoga which
combines physical postures, breathing technique , meditation and lifestyle education (Deepeshwar
S et.al, 2018). Yoga may work by lowering inflammation, improving muscle strength and balance,
and calming stress responses in the body(Bandita Adhikari et.al, 2022) Yoga, a non
pharmacological treatment approach, has been recommended for osteoarthritis by an international
osteoarthritis clinical guideline in 2019 and some studies have also proposed yoga as a beneficial
practice for people with arthritis
AIM:
This study was aimed at observing the effect of an integrated approach of yoga therapy on the pain,
depression, Koos, and quality of life in osteoarthritis participants
OBJECTIVES OF THE STUDY:
To assess the effect of IAYT on;
● Pain associated with the osteo arthritis condition
● Knee injury and osteoarthritis outcome Score
● Depression
● Quality of life
METHODS:
Participiants:
Subjects (n = 46) identified with osteoarthritis, meeting inclusion and exclusion criteria were
recruited from the Arogyadhama (a holistic yoga hospital, practicing integrated yoga therapy,
associated with S-VYASA) section treating osteoarithritis.
Design: This was a single-group pre–post study involving 46 participants diagnosed with
osteoarthritis.
Assessments: In this study, we assessed variables like Pain, Knee injury and osteoarthritis outcome
Score, Depression, Anxiety, Stress and Quality of Life.
Intervention: Integrated Approach of Yoga Therapy (IAYT) for two weeks with one month
follow-up.
RESULTS: Significant improvements were observed in pain levels (p < .001, d = 0.935),
depression (p < .001, d = 0.892), anxiety (p < .001), stress (p < .001), and environmental quality
of life (p = .024). KOOS subdomains like knee symptoms, sport and recreation function, and daily
living activities also showed marked improvement. However, no significant changes were
observed in the physical, psychological, and social domains of QoL, or pain-related QoL scores.
CONCLUSION: The integrated approach of yoga therapy significantly reduced pain, depression,
anxiety, and stress among participants with osteoarthritis, alongside improvements in specific
domains of the KOOS and environmental quality of life. However, no significant changes were
observed in the physical, psychological, or social domains of overall quality of life. These findings
suggest that yoga may serve as an effective complementary therapy in managing osteoarthritis
symptoms and improving certain aspects of well-being, although further research with larger
samples and control groups is warranted to confirm and extend these results.
KEYWORDS:
Osteoarthritis, yoga, quality of life, psychological wellbeing
EFFECT OF MIND SOUND RESONANCE TECHNIQUE (MSRT) ON RELAXATION AMONG SHOTOKAN KARATE PLAYERS
(S-VYASA, 2025-08-19) Rutuja Mohan Kachare; Soubhagyalaxmi Mohanty
Yoga Sudha - September 2025
(S-VYASA, 2025-09-03) H. R. Nagendra; Aarthi Jagannathan