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Results for “Cumulative Trauma Disorders”

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At least 1,783 records · Page 99Linked to original sources
PubMedDate not supplied

Foot type and overuse injury in triathletes.

Abnormal foot morphology has been suggested to contribute to overuse injuries in athletes. This study investigated the relationship between foot type and injury incidence in a large sample of competitive triathletes not wearing foot orthoses during a 6-month retrospective analysis and a 10-week prospective cohort study. Foot alignment was measured using the Foot Posture Index and the Valgus Index, and participants were assigned to supinated, pronated, and normal foot-type groups. Overall, 131 triathletes sustained 155 injuries during the study. Generally, foot type was not a major risk factor for injury; however, there was a fourfold increased risk of overuse injury during the competition season in athletes with a supinated foot type. The results of this study show that triathletes with a supinated foot type are more likely to sustain an overuse injury.

Adolescent↗
PubMedDate not supplied

Lower-extremity overuse injury and use of foot orthotic devices in women's basketball.

One hundred thirty-two female basketball players were observed for lower-extremity overuse injury between 1993 and 2004. Athletes studied between 1993 and 1996 did not receive foot orthotic devices and composed the control group. The treatment group comprised athletes studied between 1996 and 2004. Athletes in the treatment group were given a foot orthotic device before participation in basketball. Data analysis included lower-extremity overuse injury rates and the effect of foot orthotic devices on lower-extremity overuse injury rates by means of an incidence density ratio. The control group had a lower-extremity overuse injury rate of 5.37 per 1,000 exposures, and the treatment group had a rate of 6.44 per 1,000 exposures. The incidence density ratio was not significant (P = .44). This study rejects the concept that foot orthotic devices may assist in prevention of lower-extremity overuse injury in female basketball players.

Adult↗
PubMedDate not supplied

Medial tibial stress syndrome (tibial fasciitis): a proposed pathomechanical model involving fascial traction.

Although medial tibial stress syndrome is one of the most common lower-extremity overuse injuries, its pathomechanics remain controversial. Two popular theories have been proposed to account for this condition: tibial bending and fascial traction. This article evaluates the role of fascial traction in medial tibial stress pathomechanics. We hypothesized that with contraction of the deep leg flexors tension would be imparted to the tibial fascial attachment at the medial tibial crest. We also speculated that circumferential straps would dampen tension directed to the medial tibial crest. The amount of strain present in the tibial fascia adjacent to its distal medial tibial crest insertion during loading of the leg was investigated as a descriptive laboratory pilot study using three fresh cadaver specimens. Strain in the distal tibial fascia was measured using strain gauges placed in the fascia at its medial tibial crest insertion. As tension on the posterior tibial, flexor digitorum longus, and soleus tendons increased, strain in the tibial fascia increased in a consistent linear manner (P < .0001). We conclude that fascial tension may play a role in the pathomechanics of medial tibial stress syndrome. The tenting effect of the posterior tibial, flexor digitorum longus, and soleus tendons caused by muscle contraction exerts a force on the distal tibial fascia that is directed to its tibial crest insertion. Circumferential straps provided no dampening effect on tension directed to the medial tibial crest.

Cumulative Trauma Disorders↗
PubMedDate not supplied

Biomechanical evaluation of dancers and assessment of their risk of injury.

Professional dancers have a 90% risk of injury during their career. The lower extremity is involved in approximately 75% of the injuries sustained by dancers. Proper biomechanical evaluation, risk assessment, and prevention-oriented treatment are necessary to minimize future problems and promote a full and lasting recovery when an injury is sustained. This article outlines the in-office evaluation process and discusses backstage care.

Biomechanical Phenomena↗
PubMedDate not supplied

Return-to-activity levels in 96 athletes with stress fractures of the foot, ankle, and leg: a retrospective analysis.

Stress fractures of the foot and ankle are common in the athletic population. Because this population is especially eager to return to activity, such fractures can be challenging to treat. If the biomechanical faults are not addressed or gradual return to activity is not monitored appropriately, fractures occasionally recur. A retrospective analysis was conducted of 96 athletes who presented to a podiatric sports medicine practice over the course of 10 years with stress fractures confirmed by radiograph or bone scan. The most common type of fracture sustained by this population was tibial stress fracture, followed by second metatarsal fracture. Marathon training was the most common pre-injury activity overall, although fitness walking was the most common activity among those with metatarsal fractures. This study relates the most common types of stress fractures of the foot, ankle, and leg to certain athletic activities and correlates duration of symptoms before presentation with return-to-activity time.

Adolescent↗
PubMed1992

Epidemiology of podiatric injuries in US Marine recruits undergoing basic training.

The authors determined the incidence of podiatric injuries that occurred during 233,946 recruit days at risk among US Marine Corps recruits undergoing basic training at the Marine Corps Recruit Depot, San Diego, CA, between February 5 and April 25, 1990. Training-related initial injuries to the foot occurred at a rate of 3.0 new injuries per 1,000 recruit days. The highest specific rates of injury occurred with stress fractures to the foot (0.56 per 1,000 recruit days), ankle sprains (0.53 per 1,000 recruit days), and Achilles tendinitis (0.39 per 1,000 recruit days).

Achilles Tendon↗
PubMed1993

Gait style as an etiology to chronic postural pain. Part II. Postural compensatory process.

The body is designed to pull the center of mass over a single pivotal site formed by dorsiflexion of the first metatarsophalangeal joint. If this response dorsiflexion motion is blocked by functional hallux limitus, then the kinetic energy, which is created for this motion, must somehow be dissipated. The process by which this dissipation occurs creates a specific pattern of compensations which, in the past, has been seen as primary motions unrelated to sagittal plane blockade. These compensatory motions are described along with a brief section concerning the methods of treatment.

Cumulative Trauma Disorders↗
PubMed1993

Orthoses for athletic overuse injuries. Comparison of two component materials.

Forty recreational and professional athletes were followed in this prospective study comparing the acceptability and effectiveness of two orthotic component materials commonly used in sports medicine. TL-2100 SF (semiflexible) was compared to 4.0-mm thick polypropylene in six different subjective categories. The subjects were able to perceive a significant difference in favor of TL-2100 SF in the categories of weight, resilience and springiness, and overall comfort of the orthosis. The subjects were also able to perceive physical differences between these two component materials, which had previously been confirmed in laboratory studies.

Athletic Injuries↗
PubMed1996

Subtalar joint motion and the relationship to lower extremity overuse injuries.

The purpose of this study was to determine if there was a difference between the subtalar joint ratio (transverse plane component to frontal plane component) in subjects with overuse symptoms in the foot compared with subjects with overuse symptoms in the leg and knee. Superior and posterior photographs were taken with the subtalar joint in pronation and supination while the subjects were in a seated position. The ratio of the transverse plane to frontal plane components of subtalar joint motion was calculated. A significant (p < 0.05) difference in the subtalar joint ratio existed between subjects with foot overuse symptoms and subjects with leg and knee overuse symptoms.

Adult↗
PubMedDate not supplied

Hand-arm vibration syndrome: a guide for nurses.

It is estimated that 1.2 million workers are now exposed to hazardous levels of vibration in their work. In the year 1995-1996, over 3,000 new cases of hand-arm vibration syndrome were assessed by the Department of Social Security (DSS) under the Industrial Injuries Disablement Benefit Scheme. Formerly called vibration white finger, it is the most common of all diseases assessed by the DSS, with the majority of workers affected having up to 14 per cent disability. This article explains the syndrome and its management.

Cumulative Trauma Disorders↗
PubMed2000

Prospective imaging study of asymptomatic patellar tendinopathy in elite junior basketball players.

To evaluate the ability of ultrasonography to predict eventual symptoms in an at-risk population, 52 elite junior basketball players' patellar tendons were studied at baseline and again 16 months later. The group consisted of 10 study tendons (ultrasonographically hypoechoic at baseline) and 42 control tendons (ultrasonographically normal at baseline). By design, all tendons were asymptomatic at baseline. No differences were noted between subjects and controls at baseline for age, height, weight, training hours, and vertical jump. Functional (P < 0.01) and symptomatic outcome (P < 0.05) were poorer for subjects' tendons than for controls. Relative risk for developing symptoms of jumper's knee was 4.2 times greater in case tendons than in control tendons. Men were more likely to develop ultrasonographic changes than women (P < 0.025), and they also had significantly increased training hours per week (P < 0.01) in the study period. Half (50%) of abnormal tendons in women became ultrasonographically normal in the study period. Our data suggest that presence of an ultrasonographic hypoechoic area is associated with a greater risk of developing jumper's knee symptoms. Ultrasonographic patellar tendon changes may resolve, but this is not necessary for an athlete to become asymptomatic. Qualitative or quantitative analysis of baseline ultrasonographic images revealed it was not possible to predict which tendons would develop symptoms or resolve ultrasonographically.

Adolescent↗