Effects of Eccentric Banded Leg Curls Versus Eccentric Cable Leg Curls Exercises in Cricket Players

Muscle Strength Clinical Trial

Official title:

Effects of Eccentric Banded Leg Curls Versus Eccentric Cable Leg Curls Exercises on Eccentric Knee-flexor Strength, Power and Endurance in Cricket Players

Clinical Trial Details — Status: Not yet recruiting

Administrative data

• NCT number: NCT06460883
• Other study ID #: REC/01103 Muhammad Aleem Bajwa
• Status: Not yet recruiting
• Phase: N/A
• Start date: June 2024
• Est. completion date: September 26, 2024

Study information

• Verified date: June 2024
• Source: Riphah International University
• Contact: Imran Amjad, Phd
• Phone: 03324390125
• Email: imran.amjad[@]riphag.edu.pk
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

Hamstring injuries are highly prevalent among cricket players, comprising 10% of all injuries in field-based team sports. Eccentric strength deficits and imbalances in muscle strength are linked to a higher risk of such injuries. Our randomized clinical trial aims to assess eccentric hamstring strength using eccentric banded leg curls and eccentric cable leg curl exercises, measured by the Nordbord device. This tool provides accurate measurements of eccentric hamstring strength, power, and endurance, crucial for injury prevention in athletes. Thirty-two male professional cricketers will participate, divided into two groups receiving different exercise plans. Each group will perform 15 reps in 3 sets with rest intervals, four times a week for four months. The Nordbord device will assess hamstring strength before and after the exercise plan. Statistical analysis will be done using SPSS V25, employing descriptive statistics for frequency distribution and inferential statistics such as t-tests to compare outcomes between treatment groups.

Description:

The present study aims to assess the effects of eccentric banded leg curls versus eccentric cable leg curls exercise on eccentric knee-flexor strength assessed with an instrumented Nordic hamstring device (Nordbord) after training in Cricket Players.

A study conducted since 2021 aimed to explore the impact of fatigue on the peak eccentric strength of the hamstring muscle group. Twenty-two professional football players, predominantly right-leg dominant and without ongoing injuries, participated. Using the Nordbord device, their hamstring eccentric strength was measured before and after a 90-minute soccer match. Results revealed a significant decline in eccentric strength post-match compared to pre-match, while the imbalance in strength between dominant and non-dominant limbs remained consistent.

Since 2022, a randomized controlled trial assessed the efficacy of an eccentric-biased home exercise program on hamstring strength. Fifteen healthy adults engaged in a four-week program including various exercises. Participants demonstrated increased peak isokinetic torque in the dominant limb and peak isometric torque in the non-dominant limb. However, some participants showed non-compliance with certain exercises.

Another study investigated the effects of lower-limb training with additional Nordic hamstring exercises (NHE) or sprinting on hamstring strain injury (HSI) risk factors and athletic performance. Thirty-eight collegiate athletes were randomly assigned to different groups and underwent standardized lower-limb training twice a week for seven weeks. Significant increases in muscle architecture and eccentric peak force were observed across all groups. Sprint and NHE training groups showed improvements in sprint times.

Limited literature exists on the use of eccentric Nordic devices (Nordbord) among cricket players. Previous studies have primarily focused on other athletes, utilizing various hamstring eccentric exercises. This study uniquely incorporates eccentric cable leg curls and eccentric banded leg curls for cricket players.

Recruitment information / eligibility

• Status: Not yet recruiting
• Enrollment: 28
• Est. completion date: September 26, 2024
• Est. primary completion date: September 25, 2024
• Accepts healthy volunteers: No
• Gender: Male
• Age group: 14 Years to 35 Years

Eligibility

Inclusion Criteria:

• Participants range in age from 14 to 35 years.

• Only male individuals are eligible for inclusion.

• Eligible participants include professional cricketers at domestic and international levels (U-16, U-19, or above), as well as recent additions to domestic cricket.

• Participants must have either good health or chronic lower extremity injuries impacting hamstring muscle strength.

• Willingness to provide informed consent is a prerequisite for study participation.

Exclusion Criteria:

• Individuals outside the age range of 14 to 35 years are excluded.

• Exclusion criteria include a medical history of neurological or musculoskeletal conditions impacting the lower extremities, such as nerve disorders or severe arthritis.

• Those with lower extremity injuries sustained within the previous two months are ineligible.

• Participants who have undergone lower extremity surgery within the past six months are not eligible.

• Exclusion applies to individuals taking medications that may impact muscle strength or neuromuscular function.

• Individuals who refuse to provide informed consent are not included in the study.

Related Conditions & MeSH terms

• Muscle Strength
• Treatment Efficacy

Intervention

Other:
• eccentric cable leg curls
The players will undergo eccentric cable leg curls, completing 15 reps of 3 sets every other day with 30-45 seconds rest between sets, a total duration of 40 minutes conducted four days a week over a four-month training period.
• eccentric banded leg curls
The players will undergo eccentric banded leg curls, completing 15 reps of 3 sets every other day with 30-45 seconds rest between sets, a total duration of 40 minutes conducted four days a week over a four-month training period.

Locations

Country	Name	City	State
Pakistan	Pakistan Cricket Board	Lahore

Sponsors (1)

Lead Sponsor	Collaborator
Riphah International University

Country where clinical trial is conducted

Pakistan, 

References & Publications (7)

Augustsson J, Andersson H. Differences in Peak Knee Flexor Force between Eccentric-Only and Combined Eccentric-Concentric Nordic Hamstring Exercise. Sports (Basel). 2023 Feb 7;11(2):41. doi: 10.3390/sports11020041. — View Citation

Bourne MN, Duhig SJ, Timmins RG, Williams MD, Opar DA, Al Najjar A, Kerr GK, Shield AJ. Impact of the Nordic hamstring and hip extension exercises on hamstring architecture and morphology: implications for injury prevention. Br J Sports Med. 2017 Mar;51(5):469-477. doi: 10.1136/bjsports-2016-096130. Epub 2016 Sep 22. Erratum In: Br J Sports Med. 2019 Mar;53(6):e2. doi: 10.1136/bjsports-2016-096130corr1. — View Citation

Buchheit M, Cholley Y, Nagel M, Poulos N. The Effect of Body Mass on Eccentric Knee-Flexor Strength Assessed With an Instrumented Nordic Hamstring Device (Nordbord) in Football Players. Int J Sports Physiol Perform. 2016 Sep;11(6):721-726. doi: 10.1123/ijspp.2015-0513. Epub 2016 Aug 24. — View Citation

Lodge C, Tobin D, O'Rourke B, Thorborg K. Reliability and Validity of a New Eccentric Hamstring Strength Measurement Device. Arch Rehabil Res Clin Transl. 2019 Nov 22;2(1):100034. doi: 10.1016/j.arrct.2019.100034. eCollection 2020 Mar. — View Citation

Maniar N, Carmichael DS, Hickey JT, Timmins RG, San Jose AJ, Dickson J, Opar D. Incidence and prevalence of hamstring injuries in field-based team sports: a systematic review and meta-analysis of 5952 injuries from over 7 million exposure hours. Br J Sports Med. 2023 Jan;57(2):109-116. doi: 10.1136/bjsports-2021-104936. Epub 2022 Dec 1. — View Citation

Ripley NJ, Cuthbert M, Comfort P, McMahon JJ. Effect of additional Nordic hamstring exercise or sprint training on the modifiable risk factors of hamstring strain injuries and performance. PLoS One. 2023 Mar 2;18(3):e0281966. doi: 10.1371/journal.pone.0281966. eCollection 2023. — View Citation

Sugiura Y, Saito T, Sakuraba K, Sakuma K, Suzuki E. Strength deficits identified with concentric action of the hip extensors and eccentric action of the hamstrings predispose to hamstring injury in elite sprinters. J Orthop Sports Phys Ther. 2008 Aug;38(8):457-64. doi: 10.2519/jospt.2008.2575. Epub 2008 Aug 1. — View Citation

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Eccentric hamstring strength	The NordBord is a great tool for measuring hamstring strength of each leg allowing for tracking of overall strength gains and side-to-side imbalances.	4 months