Joseph J Knapik

Summary

Affiliation: Walter Reed Army Medical Center
Country: USA

Publications

  1. ncbi request reprint Risk factors for closed-head injuries during military airborne operations
    Joseph J Knapik
    U S Army Institute of Public Health, Aberdeen Proving Ground, MD, USA
    Aviat Space Environ Med 85:105-11. 2014
  2. pmc A retrospective cohort study on the influence of UV index and race/ethnicity on risk of stress and lower limb fractures
    Scott J Montain
    U S Army Research Institute of Environmental Medicine, Bldg 42, Kansas St, Natick, MA 01760, USA
    BMC Musculoskelet Disord 14:135. 2013
  3. pmc A prospective investigation of injury incidence and injury risk factors among Army recruits in military police training
    Joseph J Knapik
    US Army Institute of Public Health, Portfolio of Epidemiology and Disease Surveillance, ATTN MCHB IP DI, 1570 Stark Road, Aberdeen Proving Ground, MD 21010, USA
    BMC Musculoskelet Disord 14:32. 2013
  4. doi request reprint Stress fracture risk factors in basic combat training
    J Knapik
    US Army Institute of Public Health, Aberdeen Proving Ground MD, USA
    Int J Sports Med 33:940-6. 2012
  5. pmc A prospective investigation of injury incidence and risk factors among army recruits in combat engineer training
    Joseph J Knapik
    US Army Institute of Public Health, Epidemiology and Disease Surveillance Portfolio, ATTN MCHB IP DI, 5158 Blackhawk Rd, Aberdeen Proving Ground, MD 21010, USA
    J Occup Med Toxicol 8:5. 2013
  6. doi request reprint Injuries before and after deployments to Afghanistan and Iraq
    J J Knapik
    US Army Institute of Public Health, Aberdeen Proving Ground, MD 21010, USA
    Public Health 126:498-506. 2012
  7. pmc Injury rates and injury risk factors among Federal Bureau of Investigation new agent trainees
    Joseph J Knapik
    U, S, Army Institute of Public Health, Aberdeen Proving Ground, MD, USA
    BMC Public Health 11:920. 2011
  8. doi request reprint Injury reduction effectiveness of selecting running shoes based on plantar shape
    Joseph J Knapik
    United States Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, Maryland, USA
    J Strength Cond Res 23:685-97. 2009
  9. doi request reprint United States Army physical readiness training: rationale and evaluation of the physical training doctrine
    Joseph J Knapik
    US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, Aberdeen, Maryland, USA
    J Strength Cond Res 23:1353-62. 2009
  10. pmc A systematic review of post-deployment injury-related mortality among military personnel deployed to conflict zones
    Joseph J Knapik
    US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD, USA
    BMC Public Health 9:231. 2009

Detail Information

Publications44

  1. ncbi request reprint Risk factors for closed-head injuries during military airborne operations
    Joseph J Knapik
    U S Army Institute of Public Health, Aberdeen Proving Ground, MD, USA
    Aviat Space Environ Med 85:105-11. 2014
    ..One of the more serious adverse outcomes of military airborne operations is closed-head injuries. This investigation examined risk factors for closed-head injuries in an Army airborne infantry unit...
  2. pmc A retrospective cohort study on the influence of UV index and race/ethnicity on risk of stress and lower limb fractures
    Scott J Montain
    U S Army Research Institute of Environmental Medicine, Bldg 42, Kansas St, Natick, MA 01760, USA
    BMC Musculoskelet Disord 14:135. 2013
    ..S. Army Basic Combat Training (BCT)...
  3. pmc A prospective investigation of injury incidence and injury risk factors among Army recruits in military police training
    Joseph J Knapik
    US Army Institute of Public Health, Portfolio of Epidemiology and Disease Surveillance, ATTN MCHB IP DI, 1570 Stark Road, Aberdeen Proving Ground, MD 21010, USA
    BMC Musculoskelet Disord 14:32. 2013
    ..The present investigation examined injury rates and injury risk factors in MP training...
  4. doi request reprint Stress fracture risk factors in basic combat training
    J Knapik
    US Army Institute of Public Health, Aberdeen Proving Ground MD, USA
    Int J Sports Med 33:940-6. 2012
    ....
  5. pmc A prospective investigation of injury incidence and risk factors among army recruits in combat engineer training
    Joseph J Knapik
    US Army Institute of Public Health, Epidemiology and Disease Surveillance Portfolio, ATTN MCHB IP DI, 5158 Blackhawk Rd, Aberdeen Proving Ground, MD 21010, USA
    J Occup Med Toxicol 8:5. 2013
    ..The present investigation examined injury rates and injury risk factors in ENG training...
  6. doi request reprint Injuries before and after deployments to Afghanistan and Iraq
    J J Knapik
    US Army Institute of Public Health, Aberdeen Proving Ground, MD 21010, USA
    Public Health 126:498-506. 2012
    ..To examine outpatient injuries before and after deployments of elements of the 10th Mountain Division to Afghanistan (n = 505 men) and the 1st Cavalry Division to Iraq (n = 3242 men)...
  7. pmc Injury rates and injury risk factors among Federal Bureau of Investigation new agent trainees
    Joseph J Knapik
    U, S, Army Institute of Public Health, Aberdeen Proving Ground, MD, USA
    BMC Public Health 11:920. 2011
    ..A one-year prospective examination of injury rates and injury risk factors was conducted in Federal Bureau of Investigation (FBI) new agent training...
  8. doi request reprint Injury reduction effectiveness of selecting running shoes based on plantar shape
    Joseph J Knapik
    United States Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, Maryland, USA
    J Strength Cond Res 23:685-97. 2009
    ..Thus, if the goal is injury prevention, this selection technique is not necessary in BCT...
  9. doi request reprint United States Army physical readiness training: rationale and evaluation of the physical training doctrine
    Joseph J Knapik
    US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, Aberdeen, Maryland, USA
    J Strength Cond Res 23:1353-62. 2009
    ..When compared with traditional military physical training programs, PRT consistently resulted in fewer injuries and in equal or greater improvements in fitness and military task performance...
  10. pmc A systematic review of post-deployment injury-related mortality among military personnel deployed to conflict zones
    Joseph J Knapik
    US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD, USA
    BMC Public Health 9:231. 2009
    ..This paper reports on a systematic review of the literature on the post-conflict injury-related mortality of service members who deployed to conflict zones...
  11. doi request reprint Effect on injuries of assigning shoes based on foot shape in air force basic training
    Joseph J Knapik
    U S Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, Maryland 21010, USA
    Am J Prev Med 38:S197-211. 2010
    ..This study examined whether assigning running shoes based on the shape of the bottom of the foot (plantar surface) influenced injury risk in Air Force Basic Military Training (BMT) and examined risk factors for injury in BMT...
  12. ncbi request reprint The Advanced Tactical Parachute System (T-11): injuries during basic military parachute training
    Joseph J Knapik
    U S Army Public Health Institute, Aberdeen Proving Ground, MD 21010, USA
    Aviat Space Environ Med 82:935-40. 2011
    ..Since the 1950s, the standard U.S. military troop parachute system has been the T-10. TheT-10 is currently being replaced by the newer T-11 system...
  13. pmc Retrospective examination of injuries and physical fitness during Federal Bureau of Investigation new agent training
    Joseph J Knapik
    U, S, Army Institute of Public Health, Aberdeen Proving Ground, Maryland, USA
    J Occup Med Toxicol 6:26. 2011
    ..abstract:..
  14. doi request reprint Injury reduction effectiveness of assigning running shoes based on plantar shape in Marine Corps basic training
    Joseph J Knapik
    Directorate of Epidemiology and Disease Surveillance, US Army Public Health Command, Aberdeen Proving Ground, MD 21010, USA
    Am J Sports Med 38:1759-67. 2010
    ..This assignment procedure is presumed to reduce injuries by compensating for differences in running mechanics...
  15. ncbi request reprint Injury rates and injury risk factors among U.S. Army wheel vehicle mechanics
    Joseph J Knapik
    U S Army Center for Health Promotion and Preventive Medicine, 1570 Stark Road, Aberdeen Proving Ground, MD 21010, USA
    Mil Med 172:988-96. 2007
    ..Among the men, elevated injury risk was associated with higher body weight and higher body mass index. It may be possible to prevent many injuries by implementation of evidenced-based interventions currently available in the literature...
  16. ncbi request reprint Injuries and injury risk factors among members of the United States Army Band
    Joseph J Knapik
    US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, Maryland 21010, USA
    Am J Ind Med 50:951-61. 2007
    ..This project documented injuries in the professional musical performers of the US Army Band and used a multivariate approach to determine injury risk factors...
  17. ncbi request reprint Military parachuting injuries, associated events, and injury risk factors
    Joseph J Knapik
    U S Army Public Health Command Provisional, Aberdeen Proving Ground, MD 21010, USA
    Aviat Space Environ Med 82:797-804. 2011
    ..The purpose of this investigation was to examine injury incidence, events associated with injury, and injury risk factors during parachuting in an Army airborne infantry unit...
  18. doi request reprint Systematic review of the parachute ankle brace: injury risk reduction and cost effectiveness
    Joseph J Knapik
    U S Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, Maryland 21010, USA
    Am J Prev Med 38:S182-8. 2010
    ..This investigation systematically reviewed studies examining the influence of the parachute ankle brace (PAB) on injuries during military parachuting and performed a cost-effectiveness analysis...
  19. ncbi request reprint Injury risk factors in parachuting and acceptability of the parachute ankle brace
    Joseph J Knapik
    Directorate of Epidemiology and Disease Surveillance, US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010, USA
    Aviat Space Environ Med 79:689-94. 2008
    ..This investigation examined risk factors for injuries during military parachute training and solicited attitudes and opinions regarding a parachute ankle brace (PAB) that has been shown to protect against ankle injuries...
  20. ncbi request reprint Injuries and illnesses among armor brigade soldiers during operational training
    Salima Darakjy
    U S Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010, USA
    Mil Med 171:1051-6. 2006
    ..Musculoskeletal injuries, environmental conditions, and dermatological conditions accounted for most visits...
  21. ncbi request reprint Risk factors for injuries during military parachuting
    Joseph J Knapik
    U S Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010, USA
    Aviat Space Environ Med 74:768-74. 2003
    ..Parachuting is an activity performed by a variety of occupational groups including the military, firefighters (smoke jumpers), and rescue groups...
  22. ncbi request reprint The basis for prescribed ability group run speeds and distances in U.S. Army basic combat training
    Joseph J Knapik
    U S Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010, USA
    Mil Med 171:669-77. 2006
    ..Using these recommended speeds and distances should allow trainees to improve their aerobic fitness, pass the Army Physical Fitness Test, and minimize injuries that result in lost training time and, ultimately, lower fitness levels...
  23. doi request reprint Tobacco use prevalence and factors associated with tobacco use in new U.S. Army personnel
    Tyson Grier
    Directorate of Epidemiology and Disease Surveillance, United States Army Public Health Command, Aberdeen Proving Ground, MD 21010, USA
    J Addict Dis 29:284-93. 2010
    ..For women, cigarette use was the only factor associated with smokeless tobacco use. The identified factors in this study could be used to establish strategies in the future to reduce tobacco use in the military...
  24. ncbi request reprint Temporal changes in the physical fitness of US Army recruits
    Joseph J Knapik
    US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, Maryland 21010 5403, USA
    Sports Med 36:613-34. 2006
    ..This article indicates that temporal trends in recruit fitness differ depending on the fitness component measured. The very limited comparable data on civilian populations showed trends similar to the recruit data...
  25. doi request reprint Footwear in the United States Army Band: injury incidence and risk factors associated with foot pain
    Tyson L Grier
    U S Army Public Health Command, Directorate of Epidemiology and Disease Surveillance, 5158 Blackhawk Road, Aberdeen Proving Ground, MD 21010, USA
    Foot (Edinb) 21:60-5. 2011
    ..Members of the United States Army Band have hundreds of performances a year and these performances often include prolonged standing and marching in footwear...
  26. ncbi request reprint Increasing the physical fitness of low-fit recruits before basic combat training: an evaluation of fitness, injuries, and training outcomes
    Joseph J Knapik
    U S Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010, USA
    Mil Med 171:45-54. 2006
    ..This program evaluation showed that low-fit recruits who preconditioned before BCT had reduced attrition and tended to have lower injury risk, compared with recruits of similar low fitness who did not precondition...
  27. ncbi request reprint Parachute ankle brace and extrinsic injury risk factors during parachuting
    Joseph J Knapik
    U S Army Center for Health Promotion and Preventive Medicine, 1570 Stark Road, Aberdeen Proving Ground, MD 21010, USA
    Aviat Space Environ Med 79:408-15. 2008
    ..This study examined the injury prevention effectiveness of the parachute ankle brace (PAB) while controlling for known extrinsic risk factors...
  28. doi request reprint Activities associated with injuries in initial entry training
    Joseph J Knapik
    U S Army Institute of Public Health, 5158 Blackhawk Road, Aberdeen Proving Ground, MD 21010, USA
    Mil Med 178:500-6. 2013
    ..This investigation identifies activities with the highest risk of injury in IET and those that should be targeted for injury prevention efforts...
  29. ncbi request reprint Risk factors for injuries in the U.S. Army Ordnance School
    Tyson L Grier
    U S Army Public Health Command, Directorate of Epidemiology and Disease Surveillance, 5158 Blackhawk Road, Bldg 1570, Aberdeen Proving Ground Edgewood Area, MD 21010, USA
    Mil Med 176:1292-9. 2011
    ..To investigate risk factors for time-loss injuries among soldiers attending U.S. Army Ordnance School Advanced Individual Training...
  30. doi request reprint Validity of plantar surface visual assessment as an estimate of foot arch height
    David I Swedler
    US Army Public Health Command Provisional, Aberdeen Proving Ground, MD, USA
    Med Sci Sports Exerc 42:375-80. 2010
    ..The imprint is assumed to reflect the height of the medial longitudinal arch (MLA). This study examined the assumption that plantar surface morphology was a surrogate for height of the MLA...
  31. ncbi request reprint Association between ambulatory physical activity and injuries during United States Army Basic Combat Training
    Joseph J Knapik
    Department of Injury Prevention, US Army Public Health Command Provisional, Aberdeen Proving Ground, MD, USA
    J Phys Act Health 8:496-502. 2011
    ..Associations between physical activity and injuries have been previously examined using self-reports. The present investigation examined this association using objective measures of activity and injury...
  32. ncbi request reprint The validity of self-reported physical fitness test scores
    Sarah B Jones
    U S Army Center for Health Promotion and Preventive Medicine, 5158 Blackhawk Road, Aberdeen Proving Ground, MD 21010 5403, USA
    Mil Med 172:115-20. 2007
    ..Despite this, the close correlations between the actual and self-reported scores suggest that self-reported values are adequate for most epidemiological military studies involving larger sample sizes...
  33. ncbi request reprint Injuries and injury prevention among senior military officers at the Army War College
    Joseph J Knapik
    Directorate of Epidemiology and Disease Surveillance, U S Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD, USA
    Mil Med 167:593-9. 2002
    ....
  34. ncbi request reprint Mouthguards in sport activities : history, physical properties and injury prevention effectiveness
    Joseph J Knapik
    US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, Maryland 21010 5403, USA
    Sports Med 37:117-44. 2007
    ..Mouthguards should continue to be used in sport activities where there is significant risk of orofacial injury...
  35. ncbi request reprint Outcomes of Fort Jackson's Physical Training and Rehabilitation Program in army basic combat training: return to training, graduation, and 2-year retention
    Keith G Hauret
    Directorate of Epidemiology and Disease Surveillance, U S Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010 5403, USA
    Mil Med 169:562-7. 2004
    ..The 2-year retention in service for PTRP trainees who graduated from BCT was similar to that of non-PTRP trainees...
  36. ncbi request reprint Retention in service of recruits assigned to the army physical fitness test enhancement program in basic combat training
    Joseph J Knapik
    Directorate of Epidemiology and Disease Surveillance, US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010, USA
    Mil Med 168:490-2. 2003
    ..Thus, the program may be a useful tool for limiting attrition...
  37. doi request reprint Physical fitness and body composition after a 9-month deployment to Afghanistan
    Marilyn A Sharp
    US Army Research Institute of Environmental Medicine, Military Performance Division, Natick, MA 01760 5007, USA
    Med Sci Sports Exerc 40:1687-92. 2008
    ..To examine change in physical fitness and body composition after a military deployment to Afghanistan...
  38. ncbi request reprint Comparison of the physical fitness of men and women entering the U.S. Army: 1978-1998
    Marilyn A Sharp
    U S Army Research Institute of Environmental Medicine, Natick, MA 01760 5007, USA
    Med Sci Sports Exerc 34:356-63. 2002
    ..To compare the physical fitness levels of recruits entering the U.S. Army in 1998 to those entering in 1978 and 1983...
  39. doi request reprint A systematic review of the effects of physical training on load carriage performance
    Joseph J Knapik
    U S Army Institute of Public Health, Epidemiology and Disease Surveillance Portfolio, Aberdeen Proving Ground, Maryland, USA
    J Strength Cond Res 26:585-97. 2012
    ..This review indicates that combinations of specific modes of physical training can substantially improve load carriage performance...
  40. doi request reprint Evaluation of mouthguards for the prevention of orofacial injuries during United States Army basic military training
    Georgia G dela Cruz
    US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010, USA
    Dent Traumatol 24:86-90. 2008
    ..Mouthguards are now required at all five Army basic training sites when trainees are performing any of the four training activities...
  41. ncbi request reprint Seasonal variations in injury rates during US Army Basic Combat Training
    Joseph J Knapik
    US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010, USA
    Ann Occup Hyg 46:15-23. 2002
    ..This study examined seasonal differences in injury incidence during US Army Basic Combat Training, where physical activity was similar at all times of the year...
  42. ncbi request reprint Energy cost during locomotion across snow: a comparison of four types of snowshoes with snowshoe design considerations
    Joseph J Knapik
    Epidemiology and Disease Surveillance, US Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010, USA
    Work 18:171-7. 2002
    ..Further research will be necessary to determine the importance of these factors because of the limited number of subjects and the single snow condition examined here...
  43. ncbi request reprint Soldier load carriage: historical, physiological, biomechanical, and medical aspects
    Joseph J Knapik
    Directorate of Epidemiology and Disease Surveillance, U S Army Center for Health Promotion and Preventive Medicine, Aberdeen Proving Ground, MD 21010, USA
    Mil Med 169:45-56. 2004
    ..Load carriage can be facilitated by lightening loads, improving load distribution, optimizing load-carriage equipment, and taking preventive action to reduce the incidence of injury...
  44. ncbi request reprint Seasonal variations in injury rates in U.S. Army ordnance training
    Sarah B Jones
    RTI International, Research Triangle Park, NC 27709 2194, USA
    Mil Med 173:362-8. 2008
    ..This study assessed the effects of seasons and temperature on injury rates during U.S. Army ordnance advanced individual training...