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Dr. Rajendra Kumar Ghritlaharey, M.S., M. Ch., FAIS
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On May 11,2011

Dr. Shankar P.R.

"On looking back through my Gmail archives after being requested by the journal to write a short editorial about my experiences of publishing with the Journal of Clinical and Diagnostic Research (JCDR), I came across an e-mail from Dr. Hemant Jain, Editor, in March 2007, which introduced the new electronic journal. The main features of the journal which were outlined in the e-mail were extensive author support, cash rewards, the peer review process, and other salient features of the journal.
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Dr. P. Ravi Shankar
KIST Medical College, P.O. Box 14142, Kathmandu, Nepal.
On April 2011

Dear team JCDR, I would like to thank you for the very professional and polite service provided by everyone at JCDR. While i have been in the field of writing and editing for sometime, this has been my first attempt in publishing a scientific paper.Thank you for hand-holding me through the process.

Dr. Anuradha
On Jan 2020

Important Notice

Original article / research
Year : 2022 | Month : March | Volume : 16 | Issue : 3 | Page : YC05 - YC07 Full Version

Relationship of Bowling Speed with Power and Dynamic Balance in Bowlers: A Cross-sectional Study

Published: March 1, 2022 | DOI:
Abhishek Rohilla, Pooja Anand, Sajjan Pal, Abhista Sehdav

1. Postgraduate Student, Department of Physiotherapy, Manav Rachna International University, Faridabad, Haryana, India. 2. Professor, Department of Physiotherapy, SGT University, Gurugram, Haryana, India. 3. Assistant Professor, Department of Physiotherapy, SGT University, Gurugram, Haryana, India. 4. Assistant Professor, Department of Physiotherapy, Manav Rachna International University, Faridabad, Haryana, India.

Correspondence Address :
Dr. Pooja Anand,
Professor, Department of Physiotherapy, SGT University, Gurugram, Haryana, India.


Introduction: In the game of cricket, dynamic balance and the strength of lower limb muscles plays a major role while bowling or to control the bowling speed. Bowlers use different style of run ups to optimise their bowling speed. Therefore, for every athlete, physical fitness plays essential role.

Aim: To find the correlation between bowling speed and lower limb explosive power and dynamic balance in state and district level cricket bowlers.

Materials and Methods: This cross-sectional study was conducted at Cricket Gurukul, Faridabad, Mahadev Desai Cricket Academy, Faridabad, Haryana and Indraprastha Cricket Academy, Punjabi Bagh, New Delhi, India from January 2018 to January 2019. Total 98 male bowlers with age between 16-28 years, playing experience of atleast 6 months in University/District level and playing frequency atleast 5 days/weeks were included in the present study. Modified Star Excursion Balance Test (mSEBT) was used to measure the dynamic balance, broad jump test was used to measure lower limb explosive power and radar gun was used to measure the bowling speed. Data was analysed in the Statistical Package for the Social Sciences (SPSS) software 2.0 version. Descriptive statistics was calculated. Pearson’s correlation coefficient was calculated. The p-value <0.05 was set as statistically significant.

Results: Mean age was 19±3.1 years and Body Mass Index (BMI) was 23.1±2.68 kg/m2. Dynamic balance showed positive correlation with bowling speed (r=0.227, p<0.0001) and lower limb explosive power showed positive correlation (r=0.638, p<0.0001) with bowling speed in cricket bowlers.

Conclusion: It was found that, the bowling speed of the cricket bowlers can improve majorly, if the explosive power of the lower limb is improved, whereas, there is less impact of dynamic balance on the bowling speed.


Ball release, Cricket, Fitness, Sports performance

Cricket is an outdoor game and popularity of this game is grown immensely and at present time it is treated as the most popular game in India and all over the world. According to the game, physical fitness is very much essential for the players. In cricket the ball release speed plays a major role in bowling success. To attain a high speed, the bowlers require trunk strength because during bowling body must absorb ground reaction force as high as six times the body weight. Bowlers do overhead skill-bowling and throwing and both require the good shoulder strength. Quick bowling or quick release of ball is an explosive movement that involves coordination of whole body. This quick release of ball unharnessed the speed of bowlers with faster angular velocities of the bowling arm. This may indicate that bowlers with bigger power and rate of force development can be ready to rotate their bowling arm quicker and generate quicker ball unharness speeds. There is role of postactivation synergy which develops when heavy-ball bowling enhances bowling speed possibly at the value of bowling accuracy (1),(2).

Previous studies reported strong correlation of run up speed and ball release speed (3),(4). Relationship between front knee motion and ball release speed during contact phase of bowling action was studied by previous literature. More extended front knee was associated with faster ball release speed and vice-versa, it has been noted that faster bowlers have large amount of knee extension during foot contact (5),(6). The efficient transfer of energy to the ball provided by front knee extension which fasters the ball release speed during bowling action (7),(8),(9). So, muscular strength of lower limbs is required during bowling action to stabilise the pelvis/trunk and to transfer the energy efficiently to the bowling arm (10). Ball release speed may compromise due to instability in this phase (2). There is lack of research in terms of ball release speed, especially regarding the strength and dynamic balance of lower limbs. Dynamic balance is said to play important role in most of the athletic and sports performances. But it’s not clear how much important role the dynamic balance plays in acquiring good bowling speed. Poor dynamic balance and weak core is a risk factor for injury and is associated with alterations in transfer of energy that leads to reduced performance in sports (11). So, aim of the present study was to evaluate the correlation of dynamic balance and explosive power of lower limbs on bowling speed in bowlers.

Material and Methods

This cross-sectional was conducted at Cricket Gurukul, Faridabad, Mahadev Desai Cricket Academy, Faridabad, Haryana and Indraprastha Cricket Academy, Punjabi Bagh, New Delhi, India from January 2018 to January 2019. The ethical approval as obtained (No.MRIIRS/FAS/2017/164). Total 98 subjects were studied individually in performing Y balance and broad jump test.

Sample size calculation: Sampling method for the study was purposive sampling. G Power software (version 3.1) was used to calculate sample size and power of the study was found to be 95%.

Inclusion criteria: All male bowlers with age between 16 to 28 years with playing experience of atleast 6 months at University/District level and playing frequency atleast 5 days/weeks were included in the study.

Exclusion criteria: Players with spinal tumours, hypertension, impaired circulation and having extreme discomfort on contracting lower limb muscles and shoulder muscles, any metabolic, cardiac or neurological diseases or disorders were excluded from the study.

Instrumentation: Tape ruler, Stadiometer, Weighing Machine, Sticky Tape, Record book, Pen, Marker and Radar Speed Gun (BUSHNELL Velocity Speed Gun 101911) were used to measure the variables.

Independent variables: Dynamic balance and Lower limb explosive power.

Dependent variables: Bowling Speed.


A written consent was taken from the players who volunteered for the study and fulfilled the inclusion and exclusion criteria of the study. The nature and importance of study was explained to the players (bowlers) and coaches. Subjects were informed regarding the various procedures to test their physical performance variables. An assessment form was designed to obtain the background information about each subject. Players were asked about their demographic details, connection with cricket that included their playing level, years of playing (>six months), their training sessions (atleast 5 days per week), diet planning, injury status. All participant’s age, height, and BMI were recorded. All data collection and testing was done at outdoor court of the Cricket Academies. Subjects were asked to perform warm up session, after completing warm up they proceeded to perform testing stations. Two to three minutes were used between ?nishing the warm-up and beginning the performance testing. Then they were observed individually for lower limb explosive power and dynamic balance in which they were called for an orientation session, during orientation performance was measured (broad jump test and modified Star Excursion Balance Test (mSEBT)) until their scores no longer improved.

Warm-up: Subjects were asked to perform warm-up and sufficient recovery (3-5 minutes) was administered prior to the commencement of the test.

Y Balance test (mSEBT in cm): The test was performed in the following directions: Right Anterior, Left Anterior, Right Posteromedial, Left Posteromedial, Right Posterolateral and Left Posterolateral. With their hands firmly placed on their hips, the athlete should then be instructed to slide the leg forward as far as possible with their right foot and return back to the starting upright position. Reach distances were recorded. Then repeat this with the same foot for a total of three successful reaches. After they have completed three successful reaches with their right foot, they were permitted to repeat this procedure with left foot (12).

Broad jump test (cm): The player stood behind a line marked on the ground with feet slightly apart. A two foot take-off and landing was used, with swinging of the arms and bending of the knees to provide forward drive. The player attempted to jump as far as possible, landing on both feet without falling backwards. Total three attempts were allowed. The test administrator recorded the reach distance of each attempt in order to calculate the athlete broad jump test (13).

Bowling speed (km/hr): Radar Speed Gun (Bushnell velocity speed gun 101911) was used to measure subjects bowling speed with an accuracy of +/- 1 mph and +/- 2 kph using Doppler signal processing to measure speed. It is used to calculate speed of various balls like, baseball, softball or tennis ball of 16-177 kph speed (27 m away). Radar was used to pick up the speed of each ball in kph as it leaves the bowler’s hand. When activated, an internal antenna sends out radiowaves at a specific frequency. When a moving object (thrown ball) enters this transmitted signal, the frequency of the reflected signal off the ball is changed and the change in frequency is proportional to the ball’s speed. The speed of the radar was showed in either kph or mph. The signal transmitted is able to pass through materials such as Plexiglass, netting, white mesh fencing, backdrops, or tarpaulins without being impacted. Therefore, a protective barrier can be placed between the moving object and the radar without impacting the accuracy of the measurements in any way.

Statistical Analysis

The Statistical Package for the Social Sciences (SPSS) software 2.0 version was used to analyze all the data. Descriptive statistics was calculated. The p-value (<0.05) was considered as statistically significant. Pearson’s correlation coefficients and p-value have been reported to find the relationship between variables.


(Table/Fig 1), (Table/Fig 2) showed demographic details and descriptive statistics of all variables.

Association of bowling speed and dynamic balance: (Table/Fig 3) showed positive correlation between bowling speed and dynamic balance (r=0.227, p-value <0.0001) and (Table/Fig 4) represented scatter plot of relationship between bowling speed and dynamic balance.

(Table/Fig 5) showed strong positive correlation between bowling speed and lower limb explosive power (r=0.638, p-value <0.0001) and (Table/Fig 6) showed scatter plot representing the relationship between bowling speed and lower limb explosive power.


Leg strength was a singular component, an orthogonal factor, which made a moderate contribution to the oblique and complex factor of leg power (14). Khuman PR et al., found significant difference in three different sports athletes of cricket, soccer and volleyball in terms of static and dynamic balance. So, it was found that soccer players demonstrated higher balance compared with volleyball players and volleyball players demonstrated higher static and dynamic balance that of cricketers (15). It was found that athletes with developed core have a better bowling speed. Bowling requires a complex coordination between upper and lower extremities. Stability of core played an important role in successful performance in sports and injury prevention but weak core increased the risk of injury (11),(16).

The present study found a positive correlation of bowling speed with lower limb explosive power. Similarly Pyne DB et al., reported that lower body strength is an important contributor to ball release speed (17). Measurement of joint kinematics of lower body played a significant role during delivery action of bowling (10). During a ball release, there was a quick deceleration of the body’s center of mass to transfer the energy to trunk and bowling arm using flexion extension knee action. Knee extension decelerated the body’s center of mass speed to the bowling arm via trunk, whereas knee flexion reduced braking forces during front foot contact phase (7),(9),(18). Cricket coaches should be aware of importance of leg power and dynamic balance while bowling. During training of athletes, focus should be placed on strengthening of lower limb and core for better performance in sports.


Although, subjects were almost matched in the current study, but, different mode of trainings and habits of athletes may be considered. Bowling technique, height of the bowlers and releasing point of time may impact the bowling speed which was not considered in the present study.


The present study concluded that, the bowling speed of the cricket bowlers can improve majorly, if the explosive power of the lower limb is improved whereas, there is very less impact of dynamic balance on the bowling speed. There is a strong relationship found between lower limb power and dynamic balance with the bowling action of arm. More studies are required to get more accurate findings on this topic. Similar studies are required on females in order to determine possible gender differences in the effect of different combinational effect of lower limb explosive power and dynamic balance on performance. Studies can be done with more accurate procedures to get more improved results of lower limb explosive power and dynamic balance. Further studies can be done on larger sample size.


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Hilligan BK. The relationship between core stability and bowling speed in asymptomatic male indoor action cricket bowlers. Durban, Durban University of Technology, Oct 2007.
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DOI and Others

DOI: 10.7860/JCDR/2022/51194.16073

Date of Submission: Jul 03, 2021
Date of Peer Review: Jul 29, 2021
Date of Acceptance: Dec 10, 2021
Date of Publishing: Mar 01, 2022

• Financial or Other Competing Interests: None
• Was Ethics Committee Approval obtained for this study? Yes
• Was informed consent obtained from the subjects involved in the study? Yes
• For any images presented appropriate consent has been obtained from the subjects. NA

• Plagiarism X-checker: Jul 05, 2021
• Manual Googling: Dec 10, 2021
• iThenticate Software: Jan 31, 2022 (21%)

ETYMOLOGY: Author Origin

JCDR is now Monthly and more widely Indexed .
  • Emerging Sources Citation Index (Web of Science, thomsonreuters)
  • Index Copernicus ICV 2017: 134.54
  • Academic Search Complete Database
  • Directory of Open Access Journals (DOAJ)
  • Embase
  • EBSCOhost
  • Google Scholar
  • HINARI Access to Research in Health Programme
  • Indian Science Abstracts (ISA)
  • Journal seek Database
  • Google
  • Popline (reproductive health literature)