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PubMed1986

The treatment of soft tissue after spinal injury.

There are a number of modalities available for the treatment of soft tissue that are applicable to spinal injuries. Each has a long history of use; however, there is relatively little scientific data to support the effects often seen in the clinical setting. Only through careful evaluation and specific diagnosis can these methods of treatment be utilized to their fullest potential. The underlying pathology must always be addressed as well as its soft-tissue manifestations. Direct treatment of the mechanical derangement must take precedence when such conditions exist. The total treatment must incorporate patient education in posture and positioning as well as prophylactic measures. In later stages of rehabilitation, a general strengthening program to further prevent reinjury should be embarked upon. It must always be remembered that treatment of soft tissue alone rarely provides long-lasting relief of symptoms.

Athletic Injuries↗
PubMed2002

An ergonomic approach to reducing back/shoulder stress in hospital nursing personnel: a five year follow up.

The purpose of the study was to determine the impact of an ergonomic program on perceived stress ratings, injury rates and patient care. After implementation of the ergonomic program, the perceived stress ratings by nursing staff were lower than those ratings at the control hospital and the patients felt more comfortable and secure during patient handling tasks than the patients at the control hospital. Eighteen months after ergonomic interventions, the back and shoulder injuries were reduced, and the lost workdays and restricted/transitional days were decreased. Five years after the implementation, the back and shoulder injuries continued to decrease as well as the lost workdays and restricted days. At the control hospital, the back and shoulder injury rates, the lost workdays, and the restricted days remained stable throughout the study period.

Adult↗
PubMed1989

Stress reaction of the pars interarticularis leading to spondylolysis. A cause of adolescent low back pain.

We report an adolescent with progression from a stress reaction of the pars interarticularis without radiographic findings, to radiographic fracture and spondylolysis, illustrating the evolution of spondylolysis in an athletically active early adolescent. Gymnastics, diving, pole vaulting, or collision/contact sports such as football, soccer, hockey, and la crosse are common sports with a disproportional frequency of spondylolysis. Rotational forces around the long axis of the spine with load bearing hyperextension are important in etiology. Low back pain in the active adolescent or preadolescent, even with normal oblique lumbar radiographs, may have a treatable origin--stress reaction or fracture of a lumbar pars interarticularis. Screening evaluation is the standing one-leg extension maneuver. Liberal use of nuclear studies for minimal back symptoms in athletic adolescents may help exclude this relatively common, potentially treatable condition, spondylolysis of the pars interarticularis.

Athletic Injuries↗
PubMed2003

The effects of release height on center of pressure and trunk muscle response following sudden release of stoop lifting tasks.

BACKGROUND AND OBJECTIVES: Sudden release of load during lifting threatens postural stability and is countered by trunk muscle response, which can generate high loads on the spine, and may be a cause of tissue injury. The postural threat following sudden release and the consequent muscular response are likely to depend on the posture at the time of release. This study investigates the effects of sudden release of load at two release heights of one- and three-quarters of the knee to shoulder distance during stoop lifting. METHODS: Ten normal southern Chinese male volunteers were subject to sudden release of 20, 40, 60 and 80 N loads during stoop lifting trials. The release was randomly selected to be on the third, fourth or fifth cycle of a trial and was triggered at heights of one- and three-quarters of the total knee to shoulder lifting distance. The subjects stood on a force platform to allow the postural disturbance to be recorded by monitoring the center of pressure (COP), and electromyographic (EMG) data were collected from the rectus abdominus, internal oblique, external oblique, erector spinae and latissimus dorsi muscle groups. RESULTS: The COP excursion moved closer to the posterior limit of stability with increasing release load, and this effect was significantly more marked for release from the lower of the two heights. The minimum posterior COP separation from the posterior limit of stability was significantly less for the lower release height at all loads (p<0.001 in all cases). EMG data showed that the agonist-antagonist co-contraction durations were higher for the lower release height, and unlike sudden release from the higher level, showed a significant increase with increasing load. CONCLUSIONS: Sudden release at lower release height during stoop lifting results in significantly greater postural disturbance and spinal loading. The mean load predicted to result in fall or stumble at the lower release height (133 N) is significantly less than that predicted at the higher of the two release heights (245 N). A more marked effect of release load is also seen in the postural disturbance and trunk muscle co-contraction time for the lower release height, and particular care should therefore be taken when handling potentially unstable loads under these conditions. If the security of the load cannot be guaranteed, storage at a higher level may reduce the risk of injury due to sudden release of the load.

Adult↗
PubMed1996

Management of back pain in athletes.

Back pain affects millions of people. It affects 80% of the population and up to 52% at any given time. Back pain is not limited to sedentary individuals; it has significant effects on athletes as well. Depending upon the sport, incidence rates of back pain occur in athletes from 1.1% to as high as 30%. Athletes differ from the non-athletic population in that their incentives to return to activity are considerably different than non-athletes. The reasons may vary from the will to win through to significant financial considerations. Although reasons for recovery are different, the physiology and mechanics of repair of injured soft tissue in the athlete is the same as for the non-athlete. Proper management of the athlete requires ruling out emergent causes of back pain such as tumour, infection, acute fracture, progressive neurological deficit, visceral sources (e.g. pancreatitis, abdominal aortic aneurysm), and rheumatoid variants. Once a good history and physical is performed, a simple classification system can be utilised to manage the athlete presenting with back pain. This system can be expressed as: (a) regional back pain; (b) radicular leg pain; (c) radicular leg pain with progressive neurological deficit; and (d) cauda equina syndrome. Each of these categories needs to be managed in a specific manner and can provide the healthcare professional with simple, straightforward guidelines for handling the athlete with lower back pain. The key is to return the athlete to the field of play in a safe and timely manner.

Athletic Injuries↗
PubMed1989

A comparison of chiropractic, medical and osteopathic care for work-related sprains and strains.

The cost of care and the number of days lost because of work injury were analyzed from information gathered in a postal card survey sent to all Iowa back or neck injury claimants (sprain/strain) on record for 1984. Descriptive findings for the flow of care of the respondents were evaluated and a comparison made of the benefits and costs of care received by patients treated by chiropractic doctors (DCs), medical doctors (MDs) or osteopathic doctors (DOs). The analysis focused on those workers who lost enough time from work to qualify for compensation (4 days or more), whose cases were closed and who received all their care from one health professional. For those who received care from DCs (n = 266), the mean number of compensated days lost from work was at least 2.3 days less than for those who were treated by MDs (n = 494; p less than 0.025) and at least 3.8 days less than for those who were treated by DOs (n = 102; p less than 0.025). Consequently, much less money in employment compensation was paid, on the average, to those who saw DCs. Findings on provider care costs are less clear-cut because care-cost data on only a portion of the cases was recorded on the State records used. For the data available, the median provider cost was highest for patients who saw DCs, but the mean was highest for those who saw MDs. The study showed that 38% of claimants did change doctors. When change of provider occurred, days lost from work and cost of care varied widely across the care options, but generally, fewer workdays were lost and lower amounts of disability compensation and provider cost paid when chiropractic was included in the care pattern.

Absenteeism↗
PubMed2002

Can custom-made biomechanic shoe orthoses prevent problems in the back and lower extremities? A randomized, controlled intervention trial of 146 military conscripts.

BACKGROUND: Shock-absorbing and biomechanic shoe orthoses are frequently used in the prevention and treatment of back and lower extremity problems. One review concludes that the former is clinically effective in relation to prevention, whereas the latter has been tested in only 1 randomized clinical trial, concluding that stress fractures could be prevented. OBJECTIVES: To investigate if biomechanic shoe orthoses can prevent problems in the back and lower extremities and if reducing the number of days off-duty because of back or lower extremity problems is possible. DESIGN: Prospective, randomized, controlled intervention trial. STUDY SUBJECTS: One female and 145 male military conscripts (aged 18 to 24 years), representing 25% of all new conscripts in a Danish regiment. METHOD: Health data were collected by questionnaires at initiation of the study and 3 months later. Custom-made biomechanic shoe orthoses to be worn in military boots were provided to all in the study group during the 3-month intervention period. No intervention was provided for the control group. Differences between the 2 groups were tested with the chi-square test, and statistical significance was accepted at P <.05. Risk ratio (RR), risk difference (ARR), numbers needed to prevent (NNP), and cost per successfully prevented case were calculated. OUTCOME VARIABLES: Outcome variables included self-reported back and/or lower extremity problems; specific problems in the back or knees or shin splints, Achilles tendonitis, sprained ankle, or other problems in the lower extremity; number of subjects with at least 1 day off-duty because of back or lower extremity problems and total number of days off-duty within the first 3 months of military service because of back or lower extremity problems. RESULTS: Results were significantly better in an actual-use analysis in the intervention group for total number of subjects with back or lower extremity problems (RR 0.7, ARR 19%, NNP 5, cost 98 US dollars); number of subjects with shin splints (RR 0.2, ARR 19%, NNP 5, cost 101 US dollars); number of off-duty days because of back or lower extremity problems (RR 0.6, ARR < 1%, NNP 200, cost 3750 US dollars). In an intention-to-treat analysis, a significant difference was found for only number of subjects with shin splints (RR 0.3, ARR 18%, NNP 6 cost 105 US dollars), whereas a worst-case analysis revealed no significant differences between the study groups. CONCLUSIONS: This study shows that it may be possible to prevent certain musculoskeletal problems in the back or lower extremities among military conscripts by using custom-made biomechanic shoe orthoses. However, because care-seeking for lower extremity problems is rare, using this method of prevention in military conscripts would be too costly. We also noted that the choice of statistical approach determined the outcome.

Adolescent↗
PubMed2002

A prospective study of injuries to elite Australian rugby union players.

OBJECTIVES: To assess injury patterns and incidence in the Australian Wallabies rugby union players from 1994 to 2000. To compare these patterns and rates with those seen at other levels of play, and to see how they have changed since the beginning of the professional era. METHODS: Prospective data were recorded from 1994 to 2000. All injuries to Australian Wallabies rugby union players were recorded by the team doctor. An injury was defined as one that forced a player to either leave the field or miss a subsequent game. RESULTS: A total of 143 injuries were recorded from 91 matches. The overall injury rate was 69/1000 player hours of game play. The injury rates in the periods before (1994-1995) and after (1996-2000) the start of the professional era were 47/1000 player hours and 74/1000 player hours respectively. The lock was the most injured forward, and the number 10 the most injured back. Most injuries were soft tissue, closed injuries (55%), with the head being the most commonly injured region (25.1%). The phase of play responsible for most injuries was the tackle (58.7%). Injuries were more likely to occur in the second half of the game, specifically the third quarter (40%). The vast majority of injuries were acute (90%), with the remainder being either chronic or recurrent. CONCLUSIONS: Injury rate increases at higher levels of play in rugby union. Injury rates have increased in the professional era. Most injuries are now seen in the third quarter of the game, a finding that may reflect new substitution laws. There is a need for standardised collection of injury data in rugby union.

Athletic Injuries↗
PubMed1995

Falls and major injuries are risk factors for thoracolumbar fractures: cognitive impairment and multiple injuries impede the detection of back pain and tenderness.

Risk factors for thoracolumbar fracture (TLF) and occurrence of back pain/tenderness detection (BPTD) in TLF patients have not been fully evaluated. Of 4142 blunt trauma patients directly admitted to a level I trauma center, 183 (4.4%) had a TLF. Risk factors for TLF (p < or = 0.05) were major non-TLF injuries (Abbreviated Injury Scale score > or = 3) and a fall mechanism of injury. Of 110 with TLF, Glasgow Coma Scale score (GCS) of 13 to 15, and no myelopathy, 34 (30.9%) had no BPTD; 7 of 34 (20.6%) required operative spinal stabilization. BPTD was lacking in 63% of patients with GCS scores of 13 to 14 compared to 22% of patients with GCS scores of 15 (p = 0.001). BPTD was decreased when major non-TLF injuries were present (63 vs. 91%) in the GCS score of 15 group (0.003), but similar in GCS score of 13 to 14 patients. In patients with GCS scores of 13 to 15, decreased BPTD is simultaneously related to both cognitive dysfunction and major injuries (p = 0.005). In conclusion, major injuries and falls are risks for TLF and cognitive deficit and major injury impedes BPTD in TLF. Thoracolumbar x-ray films should be carefully considered in patients with altered mentation or major injury.

Accidental Falls↗
PubMed2003

A prospective multipractice investigation of patients with full-thickness rotator cuff tears: the importance of comorbidities, practice, and other covariables on self-assessed shoulder function and health status.

BACKGROUND: Rotator cuff tears are among the most common conditions of the shoulder. One of the major difficulties in studying patients with rotator cuff tears is that the clinical expression of these tears varies widely and different practices may have substantially different patient populations. The goals of the present prospective multipractice study were to use patient self-assessment questionnaires (1) to identify some of the characteristics of patients with rotator cuff tears, other than the size of the cuff tear, that are correlated with shoulder function, and (2) to determine whether there are significant differences in these characteristics among patients from the practices of different surgeons. METHODS: Ten surgeons enrolled a total of 333 patients with a full-thickness tear of the supraspinatus tendon into this prospective study. Each patient completed self-assessment questionnaires that included items regarding demographic characteristics, prior treatment, medical and social comorbidities, general health status, and shoulder function. RESULTS: As expected, patients who had an infraspinatus tendon tear as well as a supraspinatus tendon tear had significantly worse ability to use the arm overhead compared with those who had a supraspinatus tear alone (p < 0.005). However, shoulder function and health status were correlated with patient characteristics other than the size of the rotator cuff tear. The number of shoulder functions that were performable was correlated with the subscales of the Short Form-36 and was inversely associated with medical and social comorbidities. The patients from the ten different surgeon practices showed significant differences in almost every parameter, including age, gender, method of tear documentation, tear size, prior treatment, medical and social comorbidities, general health status, and shoulder function. CONCLUSIONS: Clinical studies on the natural history of rotator cuff tears and the effectiveness of treatment must control for a wide range of variables, many of which do not pertain directly to the shoulder. Patients from the practices of different surgeons cannot be assumed to be similar with respect to these variables. Patient self-assessment questionnaires appear to offer a practical method of uniform assessment across different practices.

Age Factors↗
PubMedDate not supplied

[Occupational activity and prevalence of osteomuscular pain among dentists in Belo Horizonte, Minas Gerais State, Brazil: a contribution to the debate on work-related musculoskeletal disorders].

The objective was to determine the prevalence of upper-limb and back pain among dentists (n = 358) and factors associated with these symptoms. Dentists were interviewed using a self-administered questionnaire containing data on sociodemographic, occupational, lifestyle, and psychosocial factors and presence, site, and characteristics of pain. Participation rate was 92.3%. 58% reported upper limb pain, with 22, 21, 20, and 17% for the arm, back, neck, and shoulder, respectively. 26% reported daily frequency and 40% classified pain as moderate or severe. In the multivariate analysis (multiple logistic regression), the factors associated with pain were: neck: anxiety/depression (OR = 2.3; CI95%: 1.2-4.5), compressor in the office (OR = 2.1; CI95%: 1.2-3.7), job satisfaction (OR = 0.3; CI95%: 0.1-0.9), and use of indirect vision (OR = 0.5; CI95%: 0.3-0.9); shoulder: income > 20 minimum wage (OR = 2.9; CI95%: 1.2-6.7), greater productivity (OR = 3.3; CI95%: 1.3-8.4), height > or = 160cm (OR = 0.3; CI95%: 0.2-0.7), and age 30-49 years (OR = 0.3; CI95%: 0.1-0.8); back: anxiety/depression (OR = 2.3; CI95%: 1.2-4.5), manual activity (OR = 0.4; CI95%: 0.2-0.9), and being married (OR = 0.5; CI95%: 0.3-0.9); arms: manual activity (OR = 1.8; CI95%: 1.0-3.2).

Adult↗
PubMed2005

Physical limitations and musculoskeletal complaints associated with work in unusual or restricted postures: a literature review.

INTRODUCTION: The vast majority of ergonomics research has addressed the demands of work in standing or sitting postures, and understandably so. However, many workers (e.g., underground miners, aircraft baggage handlers, plumbers, agricultural workers, mechanics, and others) are often required to adopt postures such as kneeling, stooping, squatting, or lying down for significant periods of the workday. METHOD: A literature search was performed using the ISI Web of Science database (for years 1980-2004). Articles retrieved from this search were evaluated in terms of relevance to assessing physical capabilities of workers in these postures and/or the musculoskeletal epidemiology associated with these postures. RESULTS: Work in unusual and restricted postures was associated with significantly higher rates of musculoskeletal complaints compared to workers not adopting these postures in epidemiology studies (Odds Ratios ranging from 1.13 to 13). Some studies suggested a dose-response relationship, with longer exposures leading to increased musculoskeletal complaints. Physical strength and psychophysical lifting capacity vary significantly as unusual or restricted postures are adopted, with lower lifting capacities evident in the kneeling, squatting, and lying positions. CONCLUSIONS: Workers who adopt unusual or restricted postures appear to be at higher risk of musculoskeletal complaints and often exhibit reduced strength and lifting capacity. Research needs in this area include improved exposure assessment tools, studies of intervention effectiveness, adaptations of the body in response of work in unusual postures, and elucidation of relevant injury pathways. IMPACT ON INDUSTRY: Workers who adopt unusual or restricted postures in their work often experience higher musculoskeletal injury rates. If awkward postures cannot be eliminated in the workplace, jobs should be designed in accordance with the reduced strength and lifting capabilities observed in these postures.

Back Injuries↗
PubMed1998

Equipment for moving and handling patients.

Choosing the correct equipment for moving and handling patients is essential to prevent injuries among health-care staff and patients' carers. It is vital, however, that a thorough needs and risk assessment is undertaken before equipment is purchased.

Back Injuries↗
PubMed2004

An evaluation of a "best practices" musculoskeletal injury prevention program in nursing homes.

OBJECTIVE: To conduct an intervention trial of a "best practices" musculoskeletal injury prevention program designed to safely lift physically dependent nursing home residents. DESIGN: A pre-post intervention trial and cost benefit analysis at six nursing homes from January 1995 through December 2000. The intervention was established in January 1998 and injury rates, injury related costs and benefits, and severity are compared for 36 months pre-intervention and 36 months post-intervention. PARTICIPANTS: A dynamic cohort of all nursing staff (n = 1728) in six nursing homes during a six year study period. INTERVENTION: "Best practices" musculoskeletal injury prevention program consisting of mechanical lifts and repositioning aids, a zero lift policy, and employee training on lift usage. MAIN OUTCOME MEASURES: Injury incidence rates, workers' compensation costs, lost work day injury rates, restricted work day rates, and resident assaults on caregivers, annually from January 1995 through December 2000. RESULTS: There was a significant reduction in resident handling injury incidence, workers' compensation costs, and lost workday injuries after the intervention. Adjusted rate ratios were 0.39 (95% confidence interval (CI) 0.29 to 0.55) for workers' compensation claims, 0.54 (95% CI 0.40 to 0.73) for Occupational Safety and Health Administration (OSHA) 200 logs, and 0.65 (95% CI 0.50 to 0.86) for first reports of employee injury. The initial investment of $158 556 for lifting equipment and worker training was recovered in less than three years based on post-intervention savings of $55 000 annually in workers' compensation costs. The rate of post-intervention assaults on caregivers during resident transfers was down 72%, 50%, and 30% based on workers' compensation, OSHA, and first reports of injury data, respectively. CONCLUSIONS: The "best practices" prevention program significantly reduced injuries for full time and part time nurses in all age groups, all lengths of experience in all study sites.

Adult↗
PubMed1984

Back pain in athletes.

There were one hundred and ninety seven patients who presented with back pain to an Athletes Clinic over four years. Their mode of presentation, investigations, diagnoses and treatments are analysed. The majority of patients were male and below 30 years of age. The average duration of symptoms prior to presentation, despite an easy access policy, was 42 weeks. Injury was usually related to six popular sports. Radiological examination was a rewarding investigation in these patients and included an A-P view of the pelvis. The diagnostic label of prolapsed intervertebral disc appears to have been used too frequently. Physiotherapy was the most useful treatment modality regardless of age, mode of onset and duration of symptoms.

Adolescent↗
PubMed1997

Bone scintigraphy in sports medicine: a review.

Bone scintigraphy is of growing interest to the sports physicians in the evaluation of benign disorders of the musculoskeletal system. It is atraumatic and easily applied, and being very sensitive a normal scintigram excludes pathophysiological conditions or mechanical disorders of the bones and joints. The indication is mainly suspicion of stress fractures, where a graduation is possible allowing prognostic interpretation. The finding of stress fractures in female athletes with long-lasting amenorrhea may warrant further interest in the bone mineral content of the skeleton. In the diagnostic evaluation of particularly longer-lasting joint-related pain in younger subjects without obvious degenerative disease, bone scintigraphy is very sensitive to exclude joint affection, but not very specific to reveal an exact diagnosis. In athletes with back pain and radiographically demonstrated spondylolysis, tomography of bone scintigrams (SPECT) may discern between an actively healing process, probably eliciting the pain, and an inactive, healed process not responsible for the back pain. Bone tumors always show increased uptake in bone scintigraphy, but the method does not allow a reliable differentiation between benign and malign etiology.

Adolescent↗
PubMedDate not supplied

The assessment of knowledge and application of proper body mechanics in the workplace.

Back pain is the most expensive industrial injury. Representatives at DeRoyal, a manufacturer of orthopaedic soft goods, believed a total back hygiene program that included aggressive training in body mechanics would reduce the cost associated with back injury. Prior to implementing a back educational program, the knowledge base of employees was assessed. A survey designed to measure knowledge and application of proper body mechanics was developed and distributed to 100 randomly selected workers. Most workers know the best way to lift. But, they had less knowledge of the best way to push. They also did not always use proper technique in lifting without twisting, planning lifts, and proper standing. A subset of workers that has previously attended back training sessions (n = 6) all gave the correct answers on 4 or the 5 survey items. Orthopaedic nurses could play a critical role in the industrial setting through assessment of body mechanic knowledge and implementation of educational programs.

Biomechanical Phenomena↗