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CTRI Number  CTRI/2025/09/094204 [Registered on: 03/09/2025] Trial Registered Prospectively
Last Modified On: 11/08/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Other (Specify) [Yoga with physiotherapy]  
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparing effects of Chandra namaskar and Surya namaskar on core strength and flexibility in healthy young adults. 
Scientific Title of Study   Comparative effect of Chandra namaskar and Surya namaskar on core endurance, lumbar spine flexibility and hamstring flexibility in asymptomatic young adults: an open label randomized controlled trial. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dhanashree Joshi 
Designation  MPTH Scholar 
Affiliation  K.J. Somaiya College of physiotherapy 
Address  K.J. Somaiya College of physiotherapy, Ayurvihar Complex, Eastern express highway, Sion, Mumbai.

Mumbai
MAHARASHTRA
400022
India 
Phone  7887709971  
Fax    
Email  dhanashreenov30@gmail.com  
 
Details of Contact Person
Scientific Query  
Name  Dr Sneha Ganu PT 
Designation  Associate Professor 
Affiliation  K.J. Somaiya College of physiotherapy  
Address  K.J. Somaiya College of physiotherapy, Ayurvihar Complex, Eastern express highway, Sion, Mumbai.

Mumbai
MAHARASHTRA
400022
India 
Phone  9820790250  
Fax    
Email  s.ganu@somaiya.edu  
 
Details of Contact Person
Public Query  
Name  Dr Sneha Ganu PT 
Designation  Associate Professor 
Affiliation  K.J. Somaiya College of physiotherapy  
Address  K.J. Somaiya College of physiotherapy, Ayurvihar Complex, Eastern express highway, Sion, Mumbai.


MAHARASHTRA
400022
India 
Phone  9820790250  
Fax    
Email  s.ganu@somaiya.edu  
 
Source of Monetary or Material Support  
NIL 
 
Primary Sponsor  
Name  Dhanashree Joshi 
Address  K.J. Somaiya College of physiotherapy, Ayurvihar Complex, Eastern express highway, Sion East, Sion, Mumbai, Maharashtra, India 400022 
Type of Sponsor  Other [Self] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Dhanashree Joshi  K.J. Somaiya College of Physiotherapy  Exercise physiology and fitness lab OPD, K.J. Somaiya College of Physiotherapy, Ayurvihar Complex, Eastern express highway, Sion, Mumbai
Mumbai
MAHARASHTRA 		 7887709971

dhanashreenov30@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, K.J. Somaiya College of Physiotherapy  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Reduced Lumbar Spine and Hamstring Flexibility 
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Chandra namaskar  There are 17 poses or asanas in one complete sequence of Chandra namaskar which will be done as 5 repetitions. Each asana will be done with a 5 second hold. Total duration of intervention per session will be 15 minutes including 2 minutes of rest between 2 consecuitive repetitions. Protocol will be given daily for 2 weeks. Asanas-Tadasana, Chandrasana, Utkatakonasana, Uthita Tadasana, Trikonasana, Parsvottanasana, Left side lunge, Forward facing lunge, Malasana, Forward facing lunge, Right side lunge, Parsvottanasana [Head to knee pose]Trikonasana, Utthita tadasana [Five pointed star], Utkata konasana [Victory squat], Tiryaka tadasana, Tadasana. 
Comparator Agent  Surya namaskar  Surya namaskar protocol will include 5 repetitions of the complete sequence with 5 second hold of each asana. Total duration of intervention per session will be 13 minutes including 2 minutes of rest between 2 consecuitive repetitions. Protocol will be given daily for 2 weeks. One Surya namaskar includes 12 asanas which are- Pranamasana, Hasta uttanasana, Padahastasana, Ashwa sanchalanasana, Parvatasana, Ashtanga namaskara, Bhujangasana, Parvatasana, Ashwa sanchalanasana, Padahastasana, Hasta uttanasana, Pranamasana in this sequence. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  25.00 Year(s)
Gender  Both 
Details  Young adults of all genders in age group 18 to 25
having hamstring tightness AKE angle more than 20 degree
difference of less than equal to 6.85±1.18 cm on modified modified Schobers test to measure lumbar flexion
and participants willing to participate and give consent for the same 
 
ExclusionCriteria 
Details  Individuals with hypermobility.
Individuals with acute trauma injuries such as fractures, soft tissue injuries or
surgeries of upper limb, lower limb and spine.
Individuals with diagnosed spine pathologies- PIVD, listhesis, SI joint dysfunction,
Ankylosing spondylosis
Pregnant and post-partum females 6 months post delivery
Individuals practicing yoga or any graded exercise protocol in last 3 months before
recruitment.
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
McGills core endurance tests -
trunk flexor endurance test
trunk lateral endurance tests
trunk extensor endurance test 		 At 0 weeks and 2 weeks of intervention period
 
 
Secondary Outcome  
Outcome  TimePoints 
Modified modified Schobers test to measure lumbar spine flexibility  At 0 weeks and 2 weeks of intervention period 
Active knee extension test to measure hamstring flexibility  At 0 weeks and 2 weeks of intervention period 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "60"
Final Enrollment numbers achieved (India)="60" 
Phase of Trial   N/A 
Date of First Enrollment (India)   01/10/2025 
Date of Study Completion (India) 15/05/2026 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary
Modification(s)  		 Yogasanas especially hatha yoga such as surya namaskar have been known to have a significant effect on physical, mental and emotional well being. While chandranamaskar has rising popularity in practice recently there is still paucity of literature on its effects on the body and is still scientifically less explored. It is a sequence of 17 asanas with a calmer and slow flow as compared to suryanamaskar which is a sequence of 12 asanas. This study compared the effect of Chandra namaskar and surya namaskar on core endurance lumbar flexibility and hamstring flexibility. A sample size of 60 was collected after randomization and after taking participant consent. These were divided equally and randomly allocated to 2 groups of interventions chandra namaskar and suryanamaskar respectively. Each interventional group participants was given warm up respective treatment protocol and cooldown post protocol The Interventions of chandranamaskar and suryanamaskar were given in 5 repetitions with 5 seconds hold of each asana daily for 2 weeks to respective group participants. Pre and post protocol assessments were done at 0 weeks and 2 weeks of interventional period for core endurance by Mcgills core endurance tests MMST for Lumbar flexibility and AKE angle for Hamstring flexibility as outcome measures. Statistical analysis was done from the results. The Shapiro wilk test was done to see if the data passed normality. If it did then intragroup comparison was done by paired t test and intergroup comparison was done by unpaired t test . If the data did not follow normality then the intragroup comparison was done by Wilcoxson sign rank test and intergroup comparison was done by the Mann Whitney test. The Analysis of results concluded that Chandranamaskar showed significantly more effective in improving flexion endurance (p=0.006) suggesting greater enhancements of trunk flexor endurance. Conversely Suryanamaskar showed significantly greater improvements in Lumbar spine extension flexibility (p=0.008) and Hamstring flexibility (p=0.003). However the effect sizes were small indicating limited clinical superiority despite statistical significance. The results support the inclusion of both forms of intervention  in preventive health, fitness, and physiotherapy programs aimed at improving musculoskeletal function and promoting spine health. 
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