Fernandez (2021)

Low Limited indexing · Single-Arm Trial · Supportive (Non-Randomized) · n = 9
Quality Index (Adjusted QI) 0.608
0 Low < 0.56 Moderate 0.56–0.77 High ≥ 0.78 1
Study Details
ConditionMental health symptoms (stress, anxiety, depression, insomnia) in educational setting
Clinical domainWell-being & Healthy Populations
PopulationStudents, teachers, and civil servants of public educational institution
Sample sizen = 9
Country / SettingBrazil (Joinville, Santa Catarina)
Protocol clusterGeneral/Varied KY
Duration12 weeks (1 session/week, 50 minutes)
Control type
ComparatorNone - single-group action research
Outcomes & Effect Sizes
Primary outcomeMental health / Psychological symptoms (depression, anxiety, stress, insomnia)
Scales usedPSS-10 (Perceived Stress Scale), ISI (Insomnia Severity Index), DASS-21 Portuguese (Depression, Anxiety, Stress Scale)
Key resultSignificant reductions in all psychological measures in 9 completers: PSS 23.1→16.6 (stress reduced), ISI 14→9.4 (insomnia improved), DASS Depression 8.1→3.2 (moderate→normal), DASS Anxiety 7.3→3.3 (moderate→normal), DASS Stress 8.5→4.3 (moderate→normal). Qualitative: improved self-control, calm, reduced anxiety, better breathing, improved academic performance.
Effect sizeNot calculated
Retention37.5% (9/24 completed 12 sessions); High attrition (62.5%)
SafetyNot reported
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Methodological Summary

Action research; 12-week Kundalini Yoga intervention in public educational institution; 50-min weekly sessions; students/teachers/staff (n=24 enrolled, n=9 completed); high attrition (62.5%); significant improvements in stress, anxiety, depression, insomnia in completers; qualitative benefits in learning, mental health, physical conditioning; single-group design, no control

KY Protocol Components

Kundalini Yoga Protocol with Specific Technique Names TECHNIQUES PRACTICED (as listed in study): • Spinal flexes and rotations • Ego Eradicator (arms raised at 60°, Breath of Fire) • Sat Kriya (root lock with "Sat Nam" mantra) • Cobra pose (Bhujangasana) • Bow pose (Dhanurasana) • Camel pose (Ustrasana) • Bridge pose (Setu Bandhasana) • Pelvic lifts • Cat-cow spinal flexes • Long Deep Breathing • Breath of Fire • Alternate nostril breathing • Meditation with Gyan Mudra • Relaxation (Savasana) STUDY-SPECIFIC: Comprehensive listing of specific techniques used; published in Nursing journal (J Nurs UFPE online); demonstrates detailed protocol reporting; outcomes focused on stress, anxiety, and health parameters in specific population.

Quality Item Scores — 1 fail · 2 partial · 3 pass · ★ critical
★A1
2
A2
3
★B1
2
★B2
1
B3
2
B4
2
★B5
3
B6
2
★B7
1
★B8
2
B9
2
★D1
1
D2
1
JP1
2
Critical fails3
Raw QI0.619
SAF0.983
Adjusted QI0.608
Final ratingLow