Keck School Faculty

Cynthia A Bir, PhD
Cynthia A Bir, PhD
Professor of Research Surgery
Surgery
MMR 116 1333 San Pablo Street Off Campus Los Angeles

Size as an Important Determinant of Chest Blow-induced Commotio Cordis Med Sci Sports Exerc. 2018 Sep; 50(9):1767-1771. . View in PubMed

A Molecular Method to Detect Wound Cells in Bloodstains Resultant of Sharp Force Injuries for Crime Scene Reconstruction J Forensic Sci. 2018 May; 63(3):842-848. . View in PubMed

Size as an Important Determinant of Chest Blow-induced Commotio Cordis Med Sci Sports Exerc. 2018 Apr 03. . View in PubMed

Size as an Important Determinant of Chest Blow-induced Commotio Cordis Med Sci Sports Exerc. 2018 09; 50(9):1767-1771. . View in PubMed

Injuries sustained during contact with law enforcement: An analysis from US trauma centers J Trauma Acute Care Surg. 2017 Dec; 83(6):1124-1128. . View in PubMed

Use of a Novel, Portable, LED-Based Capillary Refill Time Simulator within a Disaster Triage Context Prehosp Disaster Med. 2017 Aug; 32(4):451-456. . View in PubMed

Fatal Injuries of Law Enforcement/Correctional Officers Attacked with Sharp-Edged Weapons J Forensic Sci. 2017 May; 62(3):700-704. . View in PubMed

Injuries sustained during contact with law enforcement: An analysis from US trauma centers J Trauma Acute Care Surg. 2017 12; 83(6):1124-1128. . View in PubMed

The Interaction of Intramuscular Ketorolac (Toradol) and Concussion in a Rat Model Ann Biomed Eng. 2017 06; 45(6):1581-1588. . View in PubMed

Ultrasound characteristics of bruises and their correlation to cutaneous appearance Forensic Sci Int. 2016 Sep; 266:160-163. . View in PubMed

Evaluation of bone surrogates for indirect and direct ballistic fractures Forensic Sci Int. 2016 Apr; 261:1-7. . View in PubMed

A biomechanical evaluation of skull-brain surrogates to blunt high-rate impacts to postmortem human subjects J Forensic Sci. 2015 Mar; 60(2):370-3. . View in PubMed

Comparison of two fixation methods for arthrodesis of the calcaneocuboid joint: a biomechanical study Foot Ankle Int. 2015 Jan; 36(1):98-102. . View in PubMed

Intravenously administered nanoparticles increase survival following blast trauma Proc Natl Acad Sci U S A. 2014 Jul 15; 111(28):10293-8. . View in PubMed

Review of Canine Deaths While in Service in US Civilian Law Enforcement (2002-2012) J Spec Oper Med. 2014; 14(4):86-91. . View in PubMed

Stability of midface fracture repair using absorbable plate and screw system pilot holes drilled and pin placement at angles other than 90° JAMA Facial Plast Surg. 2014 Jan-Feb; 16(1):42-8. . View in PubMed

Methodology and evaluation of intracranial pressure response in rats exposed to complex shock waves Ann Biomed Eng. 2013 Dec; 41(12):2488-500. . View in PubMed

Martial arts striking hand peak acceleration, accuracy and consistency Eur J Sport Sci. 2013; 13(6):653-8. . View in PubMed

Blast-induced neurotrauma leads to neurochemical changes and neuronal degeneration in the rat hippocampus NMR Biomed. 2012 Dec; 25(12):1331-9. . View in PubMed

Head orientation affects the intracranial pressure response resulting from shock wave loading in the rat J Biomech. 2012 Oct 11; 45(15):2595-602. . View in PubMed

Biomechanical comparison of internal fixation techniques for the Akin osteotomy of the proximal phalanx J Foot Ankle Surg. 2012 Sep-Oct; 51(5):561-5. . View in PubMed

The effect of hand dominance on martial arts strikes Hum Mov Sci. 2012 Aug; 31(4):824-33. . View in PubMed

Skin penetration surrogate for the evaluation of less lethal kinetic energy munitions Forensic Sci Int. 2012 Jul 10; 220(1-3):126-9. . View in PubMed

Real-time head acceleration measurement in girls' youth soccer Med Sci Sports Exerc. 2012 Jun; 44(6):1102-8. . View in PubMed

Effects of variable blast pressures on blood flow and oxygen saturation in rat brain as evidenced using MRI Magn Reson Imaging. 2012 May; 30(4):527-34. . View in PubMed

Epidemiology of cheerleading injuries presenting to NEISS hospitals from 2002 to 2007 J Trauma Acute Care Surg. 2012 Feb; 72(2):521-6. . View in PubMed

Mild neurotrauma indicates a range-specific pressure response to low level shock wave exposure Ann Biomed Eng. 2012 Jan; 40(1):227-36. . View in PubMed

Ballistic fractures: indirect fracture to bone J Trauma. 2011 Nov; 71(5):1381-4. . View in PubMed

Evaluation of injury criteria for the prediction of commotio cordis from lacrosse ball impacts Stapp Car Crash J. 2011 Nov; 55:251-79. . View in PubMed

Skull flexure as a contributing factor in the mechanism of injury in the rat when exposed to a shock wave Ann Biomed Eng. 2011 Oct; 39(10):2550-9. . View in PubMed

Intracranial pressure increases during exposure to a shock wave J Neurotrauma. 2011 Jan; 28(1):85-94. . View in PubMed

Development of an FE model of the rat head subjected to air shock loading Stapp Car Crash J. 2010 Nov; 54:211-25. . View in PubMed

Validation of a wireless head acceleration measurement system for use in soccer play J Appl Biomech. 2010 Nov; 26(4):424-31. . View in PubMed

A prospective study of punch biomechanics and cognitive function for amateur boxers Br J Sports Med. 2010 Aug; 44(10):725-30. . View in PubMed

Comparison of pullout strength between 35-mm fully threaded, bicortical screws and 4. 0-mm partially threaded, cancellous screws in the fixation of medial malleolar fractures. J Foot Ankle Surg. 2010 May-Jun; 49(3):248-52. . View in PubMed

Tolerance of the skull to blunt ballistic temporo-parietal impact J Biomech. 2009 Nov 13; 42(15):2479-85. . View in PubMed

Lower extremity injury criteria for evaluating military vehicle occupant injury in underbelly blast events Stapp Car Crash J. 2009 Nov; 53:229-49. . View in PubMed

The effects of height and distance on the force production and acceleration in martial arts strikes J Sports Sci Med. 2009 Nov; 8(CSSI3):47-52. . View in PubMed

Development of biomechanical response corridors of the head to blunt ballistic temporo-parietal impact J Biomech Eng. 2009 Sep; 131(9):094506. . View in PubMed

Force, reaction time, and precision of Kung Fu strikes Percept Mot Skills. 2009 Aug; 109(1):295-303. . View in PubMed

Validation of lower limb surrogates as injury assessment tools in floor impacts due to anti-vehicular land mines Mil Med. 2008 Dec; 173(12):1180-4. . View in PubMed

Biomechanical response of the human mandible to impacts of the chin J Biomech. 2008 Oct 20; 41(14):2972-80. . View in PubMed

Blast related neurotrauma: a review of cellular injury Mol Cell Biomech. 2008 Sep; 5(3):155-68. . View in PubMed

Protecting our children from the consequences of chest blows on the playing field: a time for science over marketing Pediatrics. 2008 Aug; 122(2):437-9. . View in PubMed

Injuries to law enforcement officers: the backface signature injury Forensic Sci Int. 2008 Jan 15; 174(1):6-11. . View in PubMed

The physiologic effects of a conducted electrical weapon in swine Ann Emerg Med. 2007 Nov; 50(5):576-83. . View in PubMed

Concussion in professional football: helmet testing to assess impact performance--part 11 Neurosurgery. 2006 Jan; 58(1):78-96; discussion 78-96. . View in PubMed

Concussion in professional football: comparison with boxing head impacts--part 10 Neurosurgery. 2005 Dec; 57(6):1154-72; discussion 1154-72. . View in PubMed

Skin penetration assessment of less lethal kinetic energy munitions J Forensic Sci. 2005 Nov; 50(6):1426-9. . View in PubMed

Biomechanics of the head for Olympic boxer punches to the face Br J Sports Med. 2005 Oct; 39(10):710-9. . View in PubMed

Design and injury assessment criteria for blunt ballistic impacts J Trauma. 2004 Dec; 57(6):1218-24. . View in PubMed

Relationship between temporomandibular joint dynamics and mouthguards: feasibility of a test method Dent Traumatol. 2004 Oct; 20(5):255-60. . View in PubMed

Ballistic impact to the forehead, zygoma, and mandible: comparison of human and frangible dummy face biomechanics J Trauma. 2004 Jun; 56(6):1305-11. . View in PubMed

Development of biomechanical response corridors of the thorax to blunt ballistic impacts J Biomech. 2004 Jan; 37(1):73-9. . View in PubMed

An evaluation of the cumulative concussive effect of soccer heading in the youth population Inj Control Saf Promot. 2002 Mar; 9(1):25-31. . View in PubMed

An under-hand steering wheel grasp produces significant injury risk to the upper extremity during airbag deployment Annu Proc Assoc Adv Automot Med. 2002; 46:45-62. . View in PubMed

A comparison of standard vsbreakaway bases: an analysis of a preventative intervention for softball and baseball foot and ankle injuries. Foot Ankle Int. 2001 Oct; 22(10):810-6. . View in PubMed

Prevention of commotio cordis in baseball: an evaluation of chest protectors J Trauma. 2000 Dec; 49(6):1023-8. . View in PubMed

Biomechanical predictor of commotio cordis in high-speed chest impact J Trauma. 1999 Sep; 47(3):468-73. . View in PubMed

Muscle responses to simulated torque reactions of hand-held power tools Ergonomics. 1999 Jan; 42(1):146-59. . View in PubMed

Blunt chest impacts: assessing the relative risk of fatal cardiac injury from various baseballs J Trauma. 1998 Feb; 44(2):298-303. . View in PubMed

Intracarpal canal pressures: the role of finger, hand, wrist and forearm position Clin Biomech (Bristol, Avon). 1997 Jan; 12(1):44-51. . View in PubMed

Goal post injuries in soccerA laboratory and field testing analysis of a preventive intervention. Am J Sports Med. 1995 May-Jun; 23(3):340-4. . View in PubMed

An analysis and comparison of soccer shin guards Clin J Sport Med. 1995; 5(2):95-9. . View in PubMed

Reverse Phalen's maneuver as an aid in diagnosing carpal tunnel syndrome Arch Phys Med Rehabil. 1994 Jul; 75(7):783-6. . View in PubMed

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