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CTRI Number  CTRI/2025/02/080061 [Registered on: 07/02/2025] Trial Registered Prospectively
Last Modified On: 02/02/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Physiotherapy (Not Including YOGA) 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Effect of Sleep extension and relaxation on various outcomes in cricket player with hamstring strain 
Scientific Title of Study   Effectiveness of Combination of sleep extension and relaxation techniques on pain, attention, relaxation and recovery outcomes in Cricket Players with hamstring strain 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Divya Chadha 
Designation  PG Scholar 
Affiliation  Amity Institute of Health Allied Sciences 
Address  Department of Physiotherapy Amity Institute of Health Allied Sciences Amity University F1 LGF Sector 125 Noida Gautam Buddha Nagar Uttar Pradesh India Gautam Buddha Nagar UTTAR PRADESH 201313 India

Gautam Buddha Nagar
UTTAR PRADESH
201313
India 
Phone  9250024469  
Fax    
Email  divyaachadha14@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Anu Bansal 
Designation  Asst. Professor 
Affiliation  Amity Institute of Health Allied Sciences 
Address  Department of Physiotherapy Amity Institute of Health Allied Sciences Amity University F1 LGF Sector 125 Noida Gautam Buddha Nagar Uttar Pradesh India Gautam Buddha Nagar UTTAR PRADESH 201313 India

Gautam Buddha Nagar
UTTAR PRADESH
201313
India 
Phone  9999620738  
Fax    
Email  abansal@amity.edu  
 
Details of Contact Person
Public Query
 
Name  Dr Anu Bansal 
Designation  Asst. Professor 
Affiliation  Amity Institute of Health Allied Sciences 
Address  Department of Physiotherapy Amity Institute of Health Allied Sciences Amity University F1 LGF Sector 125 Noida Gautam Buddha Nagar Uttar Pradesh India Gautam Buddha Nagar UTTAR PRADESH 201313 India

Gautam Buddha Nagar
UTTAR PRADESH
201313
India 
Phone  9999620738  
Fax    
Email  abansal@amity.edu  
 
Source of Monetary or Material Support  
Department of Physiotherapy Amity Institute of Health Allied Sciences Amity University F1 LGF Sector 125 Noida Uttar Pradesh Gautam Buddha Nagar UTTAR PRADESH 201313 India 
 
Primary Sponsor  
Name  Divya Chadha 
Address  Department of Physiotherapy Amity Institute of Health Allied Sciences Amity University F1 LGF Sector 125 Noida Uttar Pradesh Gautam Buddha Nagar UTTAR PRADESH 201313 India 
Type of Sponsor  Other [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 
Divya Chadha  Amity Institute of Heal Allied Sciences  Department of Physiotherapy Amity Institute of Health Allied Sciences Amity University F1 LGF Sector 125 Noida Gautam Buddha Nagar Uttar Pradesh India Gautam Buddha Nagar UTTAR PRADESH 201313 India
Gautam Buddha Nagar
UTTAR PRADESH 
9250024469

divyaachadha14@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional NTCC Committee Amity Institute of Health Allied Sciences Amity University Noida Uttar Pradesh  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: S763||Injury of muscle, fascia and tendon of the posterior muscle group at thigh level,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Sleep extension,Relaxation techniques and Rehabilitation Protocol  The intervention agent in this study comprises a combination of sleep extension, relaxation techniques, and a rehabilitation protocol. Participants in the experimental group are instructed to extend their sleep duration by at least 2 additional hours per night, targeting a total of 10 hours of sleep per night, with daily tracking in a sleep diary over the 6-week intervention period. Alongside this, participants practice two relaxation techniques: deep breathing exercises and progressive muscle relaxation (PMR). The deep breathing exercises are performed for 10 minutes per session, five days per week, focusing on diaphragmatic breathing to promote relaxation and reduce stress. The PMR sessions last approximately 20 minutes per session, also five days per week, systematically tensing each muscle group for 5–7 seconds followed by relaxation for 20–30 seconds, progressing from head to toe. These relaxation techniques are conducted under the supervision of a physiotherapist, primarily after training sessions, to enhance relaxation and improve sleep quality. The rehabilitation protocol, included in both the experimental and control groups, is conducted over three progressive phases spanning six weeks. Each phase incorporates specific exercises tailored to the recovery stage of a Grade 1 hamstring strain: • Phase 1 (Weeks 1–2): Includes icing (2–3 times daily), stationary biking (10 minutes), side-step exercises (10 minutes, 3 × 1 minute), grapevine movements (10 minutes, 3 × 1 minute), prone body bridges (5 × 10 seconds), and supine body bridges (5 × 10 seconds). Exercises are performed at low to moderate intensity and within a pain-free range. • Phase 2 (Weeks 3–4): Incorporates exercises such as rotating body bridges (5-second hold, 2 × 10 reps), supine bent knee bridges with walkouts (3 × 10 reps), lunge walks with trunk rotation (2 × 10 steps per limb), and single-limb balance exercises with forward trunk lean (5 × 10 seconds per limb), progressing to moderate intensity. • Phase 3 (Weeks 5–6): Focuses on higher-intensity movements such as forward-backward accelerations (3 × 1 minute), rotating body bridges with dumbbells (5-second hold per side, 2 × 10 reps), supine single-leg chair bridges (3 × 15 reps), and single-limb balance windmill touches with dumbbells (4 × 8 reps per arm).The total duration of such intervention will be 6 weeks 
Comparator Agent  Standard Rehabilitation Protoco  The comparator agent in this study is the standard rehabilitation protocol, which is administered to participants in the control group without additional sleep extension or relaxation techniques. The rehabilitation protocol spans 6 weeks and is structured into three progressive phases, designed to address the recovery needs of cricket players with Grade 1 hamstring strains: • Phase 1 (Weeks 1–2): Low to moderate intensity exercises are performed to initiate recovery. This includes icing (2–3 times daily), stationary biking (10 minutes), side-step exercises (10 minutes, 3 × 1 minute), grapevine movements (10 minutes, 3 × 1 minute), prone body bridges (5 × 10 seconds), and supine body bridges (5 × 10 seconds). • Phase 2 (Weeks 3–4): Exercises progress in intensity to moderate levels, incorporating rotating body bridges (5-second hold, 2 × 10 reps), supine bent knee bridges with walkouts (3 × 10 reps), lunge walks with trunk rotation (2 × 10 steps per limb), and single-limb balance exercises with forward trunk lean (5 × 10 seconds per limb). • Phase 3 (Weeks 5–6): High-intensity exercises are introduced, including forward-backward accelerations (3 × 1 minute), rotating body bridges with dumbbells (5-second hold per side, 2 × 10 reps), supine single-leg chair bridges (3 × 15 reps), and single-limb balance windmill touches with dumbbells (4 × 8 reps per arm).The total duration of such intervention will be 6 weeks 
 
Inclusion Criteria  
Age From  19.00 Year(s)
Age To  23.00 Year(s)
Gender  Male 
Details  •Inclusion:-
1.Male cricket players
2.Participating in Domestic Club Cricket
3.Cricket players in category U23, within age group of 19-23 years.
4.Having Grade 1 hamstring strain.
5.After evaluation of Athlete Sleep Screening Questionnaires {ASSQ} Category:-none (0-4)
6.Availability for rehabilitation protocol and sleep protocol with proper follow up.
Exclusion:-
1.Includes players having ASSQ of category: mild, moderate& severe i.e. score of 5-17
2.Sportsperson diagnosed with sleep disorders (e.g., insomnia, sleep apnea).
3.Sportsperson who are currently recovering from recurrent injuries or have fracture or
dislocation or any other pathology.
4.Players taking any kind of pain killers (NSAIDs, sedatives, etc)
5.Players consuming Alcohol
6.Players having certain type of injury (includes facial injury, upper limb injury, hip injury, knee
injury, ankle or foot injury, spinal cord injury)
7.Players suffering from any mechanical body pain or contusions or chronic conditions. 
 
ExclusionCriteria 
Details  • Includes players having ASSQ of category: mild, moderate& severe i.e. score of 5-17
• Sportsperson diagnosed with sleep disorders (e.g., insomnia, sleep apnea).
• Sportsperson who are currently recovering from recurrent injuries or have fracture or dislocation or any other pathology.
• Players taking any kind of pain killers (NSAIDs, sedatives, etc)
• Players consuming Alcohol
• Players having certain type of injury (includes facial injury, upper limb injury, hip injury, knee injury, ankle or foot injury, spinal cord injury)
Players suffering from any mechanical body pain or contusions or chronic conditions.
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Not Applicable 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
1 Pain Reduction 2. Recovery 3. Relaxation State 4. Attention Level 5. Sleep Quality  baseline, Post sixth week 
 
Secondary Outcome  
Outcome  TimePoints 
NIL  NIL 
 
Target Sample Size   Total Sample Size="86"
Sample Size from India="86" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 3 
Date of First Enrollment (India)   20/02/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="3"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

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

Response - YES
  1. What data in particular will be shared?
    Response - Individual participant data that underlie the results reported in this article, after de-identification (text, tables, figures, and appendices).

  2. What additional supporting information will be shared?
    Response -  Study Protocol
    Response -  Statistical Analysis Plan
    Response - Informed Consent Form
    Response - Clinical Study Report
    Response -  Analytic Code

  3. Who will be able to view these files?
    Response - Anyone

  4. For what types of analyses will this data be available?
    Response - Any purpose.

  5. By what mechanism will data be made available?
    Response - Proposals should be directed to [divyaachadha14@gmail.com].

  6. For how long will this data be available start date provided 12-06-2025 and end date provided 11-05-2030?
    Response - Beginning 3 months and ending 5 years following article publication.

  7. Any URL or additional information regarding plan/policy for sharing IPD? 
    Additional Information - Nil
Brief Summary  
Background:- This trial investigates the impact of sleep extension and relaxation techniques
on recovery outcomes for cricket players with Grade 1 hamstring strains. Hamstring strains are
common in cricket due to high-speed sprints, sudden changes in direction, and intense physical
exertion. These injuries not only cause physical limitations but also lead to psychological stress,
which can disrupt sleep and hinder recovery.
Sleep enhancement strategies, including sleep extension and relaxation, are increasingly
recognized as crucial for muscle repair, inflammation reduction, pain management, and
psychological well-being. This trial aims to examine whether combining sleep extension
(additional two hours per night) and relaxation exercises (deep breathing and progressive
muscle relaxation) with conventional rehabilitation can improve pain, attention, relaxation, and
recovery outcomes.
Purpose:-The primary purpose is to determine the effectiveness of these interventions in

speeding up recovery, reducing pain, and enhancing the mental state and performance of
cricket players during their rehabilitation phase.


 
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