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Evaluation of a neck strengthening program as a potential intervention to reduce the risk of sport-related concussion in youth contact and collision sport athletes.
This is a pilot study to investigate the effect of a supervised 8 week strengthening intervention in male and female youth contact and collision sport athletes. Participants will complete a supervised strengthening exercise intervention involving manual resistance exercises administered by a strength coach with pre- and post-intervention assessments of neck size and strength.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Body Strengthening (Only) | No Intervention | All participants will complete a general resistance exercise training program. | |
| Body Strengthening + Neck Strengthening | Experimental | Participants assigned to the neck strengthening group will complete additional supervised exercises specifically designed to strengthen the neck. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Neck Strengthening | Other | Targeted neck strengthening exercises |
|
| Measure | Description | Time Frame |
|---|---|---|
| Head linear velocity | Change from baseline to end of 8 week intervention. | |
| Head angular velocity | Change from baseline to end of 8 week intervention. |
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| Measure | Description | Time Frame |
|---|---|---|
| Neck size (girth and muscle cross-sectional area) | Change from baseline to end of 8 week intervention. | |
| Neck strength (maximum force generating capacity) | Change from baseline to end of 8 week intervention. |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| James T Eckner, MD, MS | Assistant Professor, Department of Physical Medicine & Rehabilitation | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Michigan | Ann Arbor | Michigan | 48108 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 2263964 | Background | Ashton-Miller JA, McGlashen KM, Herzenberg JE, Stohler CS. Cervical muscle myoelectric response to acute experimental sternocleidomastoid pain. Spine (Phila Pa 1976). 1990 Oct;15(10):1006-12. doi: 10.1097/00007632-199015100-00005. | |
| 17657206 | Background | Centers for Disease Control and Prevention (CDC). Nonfatal traumatic brain injuries from sports and recreation activities--United States, 2001-2005. MMWR Morb Mortal Wkly Rep. 2007 Jul 27;56(29):733-7. |
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| ID | Term |
|---|---|
| D001924 | Brain Concussion |
| ID | Term |
|---|---|
| D000070642 | Brain Injuries, Traumatic |
| D001930 | Brain Injuries |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
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| 18804002 | Background | Dvir Z, Prushansky T. Cervical muscles strength testing: methods and clinical implications. J Manipulative Physiol Ther. 2008 Sep;31(7):518-24. doi: 10.1016/j.jmpt.2008.08.008. |
| 24488820 | Background | Eckner JT, Oh YK, Joshi MS, Richardson JK, Ashton-Miller JA. Effect of neck muscle strength and anticipatory cervical muscle activation on the kinematic response of the head to impulsive loads. Am J Sports Med. 2014 Mar;42(3):566-76. doi: 10.1177/0363546513517869. Epub 2014 Jan 31. |
| 19593415 | Background | Broglio SP, Sosnoff JJ, Shin S, He X, Alcaraz C, Zimmerman J. Head impacts during high school football: a biomechanical assessment. J Athl Train. 2009 Jul-Aug;44(4):342-9. doi: 10.4085/1062-6050-44.4.342. |
| 19433425 | Background | Dick RW. Is there a gender difference in concussion incidence and outcomes? Br J Sports Med. 2009 May;43 Suppl 1:i46-50. doi: 10.1136/bjsm.2009.058172. |
| 11880811 | Background | Garces GL, Medina D, Milutinovic L, Garavote P, Guerado E. Normative database of isometric cervical strength in a healthy population. Med Sci Sports Exerc. 2002 Mar;34(3):464-70. doi: 10.1097/00005768-200203000-00013. |
| 21088602 | Background | Guskiewicz KM, Mihalik JP. Biomechanics of sport concussion: quest for the elusive injury threshold. Exerc Sport Sci Rev. 2011 Jan;39(1):4-11. doi: 10.1097/JES.0b013e318201f53e. |
| 23610685 | Background | Hamilton DF, Gatherer D, Jenkins PJ, Maclean JG, Hutchison JD, Nutton RW, Simpson AH. Age-related differences in the neck strength of adolescent rugby players: A cross-sectional cohort study of Scottish schoolchildren. Bone Joint Res. 2012 Jul 1;1(7):152-7. doi: 10.1302/2046-3758.17.2000079. Print 2012 Jul. |
| D009422 | Nervous System Diseases |
| D006259 | Craniocerebral Trauma |
| D020196 | Trauma, Nervous System |
| D016489 | Head Injuries, Closed |
| D014947 | Wounds and Injuries |
| D014949 | Wounds, Nonpenetrating |