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At least 1,207 records · Page 67Linked to original sources
PubMed1985

Civilian gunshot wounds.

A wide variety of injuries are encountered in civilian gunshot wounds with the severity directly related to the amount of kinetic energy imparted on the tissues. A surgeon should be aware of the different ballistic properties of the various firearms and be prepared to treat each patient as an individual. Furthermore, the physician should be attentive to severe complications that may occur even after appropriate treatment has been given. During an 18 month period on the LSU Surgical Service, 431 patients were admitted for gunshot wounds of which 218 had extremity injuries. One hundred seventy of these patients were evaluated and surveyed for type of injury, surgical procedure, and complications relating to the velocity of the involved.

Adolescent↗
PubMed2005

Distinctive patterned injuries caused by an expandable baton.

Identification and documentation of patterned blunt-force injuries at autopsy is of utmost forensic importance, particularly when the object or surface producing the injury is unknown or uncertain. Documentation of patterned injuries produced by known objects contributes to the catalogue of forensic knowledge regarding those objects and the injuries they cause. This report presents a case in which a 27-year-old male sustained multiple nonlethal patterned blunt-force injuries produced by an expandable baton and subsequent multiple gunshot wounds during apprehension by police.

Adult↗
PubMed1996

Support for a linear length-tension relation of the torso extensor muscles: an investigation of the length and velocity EMG-force relationships.

This study investigated the hypothesis that the length-tension relation of the torso erectors would be linear, mirroring the observed linear increase in extension strength capability toward full flexion. The effect of torso extension velocity on the tension capability of these muscles was also investigated for common motion speeds. A myoelectric-based approach was used wherein a dynamic biomechanical model incorporating active and passive tissue characteristics provided muscle kinematic estimates during controlled sagittal plane extension motions. A double linear optimization formulation from the literature provided muscle tension estimates. The data of five male subjects supported the hypothesis of a linear length-tension relation toward full flexion for both the erector spinae and latissimus muscles. Velocity trends agreed with the predicted by Hill's exponential relation, although linear trends were found to fit the data almost as well. The results have implications for muscle tension estimation in biomechanical torso modeling, and suggest a possible low back pain injury mechanism through tissue strain while lifting in fully flexed postures.

Abdominal Muscles↗
PubMed1987

Musculoskeletal profile of male collegiate soccer players.

Twenty-five collegiate soccer players were evaluated for lower extremity flexibility and muscle strength at the end of preseason training and before the onset of the collegiate soccer season on two successive seasons. The purpose of the evaluation was to determine whether symmetry was present in their legs and whether deficits in flexibility or strength would affect the susceptibility to hamstring or groin muscle strain injuries. The mean (+/- SE) flexibility of the dominant leg for hip abduction was 41 degrees +/- 1.2 degree; for hip flexion, 76 degrees +/- 1.9 degree; for hip extension, 174 degrees +/- 0.7 degree; and for ankle dorsiflexion, 33 degrees +/- 1.3 degree. The mean (+/- SE) isokinetic torque of the dominant leg (tested at 30 degrees per second) for knee extension was 214 +/- 8 newton meters and for flexion was 128 +/- 4 newton meters, while isometric strength for hip flexion was 315 +/- 8 newtons and for ankle plantar flexion was 1721 +/- 58 newtons. No significant differences were found between the dominant and nondominant legs in flexibility or strength. During this study no hamstring or groin strain injuries occurred. The lack of leg muscle strain injuries appeared to be directly related to the initiation of a controlled warmup and stretching program and underlines the importance of this in injury prevention. Interestingly, more than 50% (13 of 25) of the players were found to have significant deficits in one or more specific muscle groups. Two athletes sustained low back strain injuries and one athlete had a knee sprain injury.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1990

Disability, direct cost, and payment issues in injuries involving woodworking and wood-related construction.

Treatment cost and payment patterns and disability for work, home, and recreation activities were examined for 495 consecutive persons seen as primary care patients over one year in Northern Vermont with injuries associated with woodworking, wood related construction, and home repair activities and materials. These primary care patients were from a larger sample of 601 persons with such injuries who received either primary or tertiary care. Mean total charges were $530 and $342 respectively for work and nonwork related injuries, with highest costs for back and arm injuries, and injuries involving powered equipment and elevations. At six months post injury, patients averaged 11.6 days of disability for work, 10.3 days for home activities, and 13.1 days for recreation. Overwhelmingly, this disability was experienced by nonhospitalized patients. Median charges and disability days were far lower, reflecting the fact that the majority of injuries were minor and only 6% resulted in hospitalization. Only 29% of hospital charges for injuries at work were paid by workmen's compensation, and a third either were unpaid or were paid by the injured party. Self-employed contractors and carpenters, in particular, lacked coverage by workmen's compensation.

Accidents, Occupational↗
PubMedDate not supplied

Back pain in intercollegiate rowers.

BACKGROUND: Back pain is prevalent among intercollegiate rowers. PURPOSE: We conducted a large-scale study to determine the rate of and the potential etiologic factors for clearly defined back pain that developed during intercollegiate rowing. STUDY DESIGN: Survey. METHODS: Surveys from 1632 former intercollegiate rowing athletes were analyzed. These surveys concerned training methods and back pain before and during intercollegiate rowing. Back pain was defined as pain that lasted at least 1 week. RESULTS: Five hundred twenty-six subjects reported that back pain developed during intercollegiate rowing. Factors significantly associated with the development of back pain included age at the time of the survey; history of rowing before age 16; use of a hatchet oar blade; training with free weights, weight machines, and an ergometer; midline ergometer cable position; and ergometer training sessions longer than 30 minutes. Back pain while in college also was associated with higher mean college weight and height. CONCLUSIONS: Intercollegiate rowers in the last 10 years covered by this study were larger, started rowing at an earlier age, trained more intensely, and developed more back pain during college than their predecessors.

Adult↗
PubMed2002

[Influence of sports mechanic demands in competitive tennis on the thoracolumbar spinal profile].

The aim of this study was to evaluate the influence of the sports mechanic demands of competitive tennis on the thoracolumbar spinal profile. For that reason the spinal curvature (C7 - S2) of 123 male active gymnasts aged 23,8 +/- 4,5 years with a sporting exposure of 14,4 +/- 3,8 years and of 1347 age and gender matched non- and recreational sportsmen was recorded by means of the non-invasive ultrasonic-controlled contact rod. In the sagittal projection no differences between both groups were found. However, in control and sports group the dominant side of the arms induced statistically significant differences for all parameters describing spinal curvature in the frontal and transversal plane, data evaluated showed a relevant increase in the tennis group. Furthermore, the criterion both-handed hitting technique in fore and backhand caused an additional extension of lateral inclination, pelvic and pelvic-shoulder tilt as well as pelvic-shoulder rotation to the hitting side of the arms. After examining the sports-specific mechanic strain the measuring values are to interpret as a functional adaptation to the tennis-specific demands. But there is only a reduced correlation with the results of epidemiologic studies taking the incidence and prevalence of spinal injuries in competitive tennis into special account. So the tennis-specific modifications of spinal profile are not to characterise a priori as pathogen.

Adult↗
PubMed2005

[Discomforts and injuries of the spine and medical examinations in young talented female gymnasts].

The distribution of pain and injuries in gymnasts is dependent on the quality of training, but also on sport-medical supervision. In a retrospective analysis 41 female gymnasts aged 11 +/- 2.8 years training 14 h/week filled in a questionnaire on pain and injuries as well as on frequency of sports medical and spine specific examinations. 14 reported partly recurring pain mainly in the lumbar spine and 10 injuries mainly in the cervical spine. Medical treatment needed 6 after recurring pain and 6 after the injuries. Except 3 gymnasts all had been investigated medically at least once, in the mean 1.5 years, after beginning with intensive training. The clinical investigation included an investigation of the spine in 64 % out of which (2/3) received additional x-ray diagnostics. Only among the older participants scoliosis and spondylolisthesis where found twice each. Though no connection between pain or injury was found in relation to previous medical investigation, a thorough clinical and in case of doubt additional radiological investigation of the spine should be performed before intensive training.

Adolescent↗
PubMed2004

Spinal injuries in children.

BACKGROUND/PURPOSE: Traumatic spinal injury (TSI) is an uncommon source of morbidity and mortality in children. The aim of this study was to describe childhood TSI in a single level 1 urban pediatric trauma center. METHODS: The authors retrospectively analyzed all children younger than 14 years with TSI, treated at a level I pediatric trauma center between 1991 and 2002 (n = 406, 4% total registry). All children were stratified according to demographics, mechanisms, type and level of injury, radiologic evaluations, associated injuries, and mortality. RESULTS: The mean age was 9.48 +/- 3.81 years. The most common overall mechanism of injury was motor vehicle crash (MVC; 29%) and ranked highest for infants. Falls ranked highest for ages 2 to 9 years. Sports ranked highest in the 10 to 14 year age group. Paravertebral soft tissue injuries were 68%. The most common injury level was the high cervical spine (O-C4). The incidence of spinal cord injury without radiologic abnormality (SCIWORA) was 6%. Traumatic brain injury (37%) was the most common associated injury. Overall mortality rate was 4% in this urban catchment. CONCLUSIONS: TSI in children requires a different preventive and therapeutic logarithm compared with that of adults. The potential devastating nature of TSI warrants that the health care team always maintains a high index of suspicion for injury. Future prospective studies are needed to further elucidate injury patterns.

Accidental Falls↗
PubMed2005

Brief report: Physician discomfort and variability with disability assessments.

BACKGROUND: Completing a disability assessment is a common physician task; yet, little formal training is available. OBJECTIVE: To assess physician comfort with disability assessments, and evaluate their consistency. DESIGN: We conducted 2 separate surveys. The "Comfort" survey asked physicians to rate their comfort (1 = very uncomfortable to 10 = very comfortable) with 12 potentially uncomfortable tasks, including disability assessment. The second survey described 2 different patients requesting disability assessment, 1 with acute and the other with chronic back pain; participants assigned each a level of disability. PARTICIPANTS: Resident and staff physicians at an urban county hospital. RESULTS: For 54 physicians returning "Comfort" surveys, disability assessment had the lowest average comfort rating (4.3, SD 1.9) compared with all other tasks (mean ratings ranged from 4.8 to 8.0). For the 73 physicians returning the "Disability Cases" survey, 88% found Case 1 qualified for limited employment, but varied on the types of limitations imposed. For Case 2, 39% assigned no disability, 39% limited employment, and 22% full disability. CONCLUSIONS: Our pilot studies support the hypothesis that physicians are not comfortable with disability assessment, and their assessments can be highly variable. Physician discomfort and lack of training may contribute to variability in disability assessments.

Adult↗
PubMed1985

Three-phase radionuclide bone imaging in sports medicine.

Three-phase radionuclide bone (TPB) imaging was performed on 238 patients with sports-related injuries. A wide variety of lesions was encountered, but the most frequent lesions seen were stress fractures of the lower part of the leg at the junction of the middle and distal thirds of the posterior tibial cortex (42 of 79 lesions). There were no differences in the type, location, or distribution of lesions between males and females or between competitive and noncompetitive athletes. In 110 cases, bone stress lesions were often diagnosed when radiographs were normal, whereas subacute or chronic soft-tissue abnormalities had few specific scintigraphic features. TPB imaging provides significant early diagnostic information about bone stress lesions. Normal examination results (53 cases) exclude underlying osseous pathologic conditions.

Adolescent↗
PubMed2005

Treatment duration and cost of work-related low back pain in Korea.

The purpose of this study is to present the information on the duration of treatment and the cost of work-related low back pain. Using the compensation-database for 1997 work-related low back pain (n=9,277), this study estimated the duration of treatment, the cost of work-related low back pain, the relationship between them, and probability of being off treatment at different intervals. The mean and the median of the treatment duration are 252.6 days and 175 days. The mean and the median of the cost of total insurance benefit are 37,700,000 won and 14,400,000 won. The treatment duration of 51% of the study subjects was less than 6 months and their cost accounted for 10.2% of the total insurance benefit. The subjects who were treated more than 24 months were 5.8% but it accounted for 29.2% of the cost. It was found that approximately 50% of the subjects who will remain on treatment at the end of n months would be off treatment at the end of n+5 months. This study presents the point in time when the low back pain (LBP) workers need to prepare to return to work by forecasting their off-treatment period. From the treat duration and cost perspectives, this study may be utilized as evidence for active management of work-related LBP.

Absenteeism↗
PubMed1998

Feasibility of a nurse staffed lift team.

The present investigation evaluated the feasibility of creating a lift team with existent medical center nursing staff. Four nurse volunteers at low risk for injury were trained in proper lifting techniques and equipment use. Scheduled and paged maximal assistance transfers were performed by rotating pairs of team members over 21 days. The team successfully completed 94% of requested lifts, averaging 25 per day. Transfers between bed and chair were performed most frequently with the aid of a transfer belt. Greatest demands for team services were on a nursing home unit and an extended/subacute care unit. Unit staff responded positively to the team. Further research is needed to determine the team's impact on unit wide staff injuries and to evaluate the long term effects of working as a lift team member.

Back Injuries↗
PubMed2003

Effectiveness of a school-based backpack health promotion program: Backpack Intelligence.

A prominent school health issue in the United States is the use of backpacks, however, there is a paucity of literature on the effectiveness of backpack safety programs. The purpose of this paper is to describe a school-based backpack health promotion program: Backpack Intelligence, report on its effectiveness, and suggest avenues for future research. Three-hundred-seventy-two 6th and 7th grade students participated in the program which was integrated into their physical education curriculum. Of those students, 242 completed post-education surveys to assess its effectiveness. Pre-education, 44% reported that their backpack was uncomfortable to carry, and 61% reported two or more warning signs that their backpack was too heavy. Only 57% wore their backpack properly and less than half organized the contents in their backpack correctly. Post-education, 63% reported the program worthwhile. Forty-two percent changed the way they used their backpack, and 93% felt knowledgeable about backpack safety, a 24% increase. Both grade and gender differences were found. Areas identified in the literature as fruitful for future research were suggested. Until we have definitive research on the link between backpack use and injury, interventions may be imperfect, but as a society we are compelled to safeguard the health of our children.

Back Injuries↗
PubMed1996

A survey of centrifuge subjects assessing the relationship between repeated +Gz exposures and chronic back pain.

Research using human centrifuges has been done for many years. Long-term follow-up of such subjects has not been carried out previously. To evaluate whether there is an increased incidence of back problems in former centrifuge subjects, we did a retrospective questionnaire survey of 20 subjects with significant centrifuge exposure histories to moderate G levels at least 5 to 10 years ago, and two USAF active duty, age-matched control groups (former hypobaric subjects and naive subjects). The results revealed no increase in back pain or injury in the study group. The only significant indicators for back pain or injury in our study population are a history of tobacco use and increasing height. Moderate G exposures were not a predictor of subsequent back pain. We recommend a larger prospective study controlling for intensity, profile and duration of G exposure.

Adult↗
PubMed1988

Low back pain in the competitive tennis player.

The etiologies of low back pain and the biomechanics and pathology of the lumbar spine as they relate to tennis stroke mechanics have been reviewed, and a treatment protocol has been presented. A recent survey of the Men's Professional Tennis Tour is the only article found that discusses low back pain in tennis players; the orthopaedic and sports medicine literature is otherwise devoid of any relevant studies. Because this one survey indicates that 38 per cent of 143 tennis players missed at least one tournament because of low back problems, it seems obvious that an epidemiologic study on low back pain in racquet sports is vital to a more thorough understanding of the problem.

Athletic Injuries↗
PubMed2006

Golf injuries: a review of the literature.

Golf is one of a few activities that people of all ages and skill level can play. Injury as with all sports can occur. The low back is the most common injury sustained whilst playing golf, and the dynamic action of the golf swing is a major contributing factor to injury. The golf swing is a complex movement that utilises the whole body in a coordinated fashion and when repeated frequently can result in injury. Injury can be overuse or traumatic in nature. Overuse injuries predominate in the professional golfer, and amateur golfer injury tends to occur secondary to an incorrect golf swing. Upper limb injuries are also common due to their role in linking the fast moving golf club with the power-generating torso. Fortunately, injury from a club or ball strike is rare. More common are the overuse injuries associated with the back, neck and shoulder. Most golf injury data have been collected retrospectively and further epidemiological study of a prospective nature is required to determine injury incidence and factor relating to the onset of injury.

Arm Injuries↗
PubMed2002

Back pain in the young athlete.

Back pain in the pediatric athlete is rare compared to the adult population. However, the diagnosis should be accurate as most have specific etiologies and treatment. Nearly 50% of the time, the cause of the pain is an injury to the pars interarticularis. A thorough history and careful physical examination should guide the physician to a working differential diagnosis. Based on this, appropriate laboratory and imaging work-up is pursued to arrive at a timely diagnosis and subsequent treatment regimen.

Adolescent↗