Factors Predisposing Army Conscripts to Knee Exertion Injuries Incurred in a Physical Training Program

Kujala, Urho M.; Kvist, M; Osterman, K; Friberg, O; Aalto, Teuvo

doi:10.1097/00003086-198609000-00029

Cited by 57 publications

(48 citation statements)

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“…[20][21][22] Our finding that lateral patellar mobility decreased after the weight training program is consistent with the findings of Reeves et al 52 that after 14 weeks of resistance training for previously untrained persons, superior patellar mobility and patellar tendon elongation decreased at a given isometric knee extension force as detected by B-mode ultrasound. Thus, the connective tissues bridging the patella to the femur and tibia may be able to adapt to repetitive mechanical loading.…”

Section: Discussionsupporting

confidence: 91%

“…20 Different prescriptions of weight training programs can result in diverse development of muscular endurance, power, strength, and mass. 21 We conducted the present study to evaluate and compare 2 popular modes of weight training on bodybuilding (muscle hypertrophy) and power lifting (muscular strength) to determine the factors contributing to patellar stability, including the relationship of the size of the VMO to dynamic patellar stability [6][7][8] ; passive lateral mobility of the patella, which reflects static patellar stability 9,22 ; patellar tilt angle (PTA), which indicates resting patellar position; patellofemoral joint congruency 23,24 ; and strength of the knee extensors 25 before and after the weight training programs.…”

mentioning

confidence: 99%

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Two Modes of Weight Training Programs and Patellar Stabilization

Wong

Chan

Tang

et al. 2009

Journal of Athletic Training

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Context: Underconditioned patellar stabilizing muscles could be a predisposing factor for patellar instability.Objective: To examine the effect of 2 modes of weight training on the size of the vastus medialis obliquus (VMO), the resting position and passive mobility of the patella, and the strength of the knee extensor muscles.Design: Prospective intervention, repeated measures in 3 groups.Setting: Orthopaedic and sports sciences research laboratory.Patients or Other Participants: 48 healthy adults free from back and lower extremity injuries.Intervention(s): Participants were randomly assigned to muscle hypertrophy training, muscle strength training, or the control group. Those in the training groups pursued training 3 times per week for 8 weeks.Main Outcome Measure(s): Magnetic resonance imaging and ultrasound cross-sectional area of the VMO, patellar tilt angle on magnetic resonance imaging, instrumented passive patellar mobility, and isometric knee extension torque of the dominant leg.Results: Participants in both training groups had comparable gains in VMO size, passive patellar stability, and knee extension force, all of which were greater than for the control group (P , .05).Conclusions: Both short-term muscle hypertrophy and strength training programs can reinforce the patellar stabilizers in previously untrained volunteers.

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Section: Discussionsupporting

confidence: 91%

mentioning

confidence: 99%

Two Modes of Weight Training Programs and Patellar Stabilization

Wong

Chan

Tang

et al. 2009

Journal of Athletic Training

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“…The mean value of the anterior drawer sign (ADS), measured with the knee in 9 0 ' flexion by a special device (Kujala et al 1986), seemed smaller in Group P than in Group C, but the difference was not significant (Table 2). No completely failed reconstructions (ADS > 10 mm) were found in Group P, but Group C had three of them.…”

Section: Resultsmentioning

confidence: 92%

Repair of the anterior cruciate ligament: Augmentation versus conventional suture of fresh rupture

Aho

Lehto

Kujala

1986

Acta Orthopaedica Scandinavica

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“…These demands may be the result of occupational activities such as sustaining static loads, lifting, and prolonged kneeling (33,42,43,54,59,62). Leisure activities such as running and participation in certain sports have also been implicated in the development of knee injury and disability (24,40,42,48,61).…”

Section: Occupational Musculoskeletal Injuriesmentioning

confidence: 99%

Knee-Related Injuries and Disabilties in the U.S. Army, 1980-1997

Sulsky¹,

Mundt²,

Bigelow³

et al. 2000

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Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Objectives: This report identifies predictors of occupational knee injury and knee-related disability; demonstrates that a series of case-control comparisons can be used to identify differences in the determinants of these outcomes; and demonstrates that data collected for administrative purposes represent a cost-effective resource for epidemiologic research. Methods: Using the Total Army Injury and Health Outcomes Database (TAIHOD), we conducted separate case-control comparisons of occupational knee injury and knee-related disability discharge from active duty service. Results: Among men and women, non-whites were at about 30% lower risk than whites for both outcomes. There was increasing risk of both injury and disability with increasing age for women, and for disability among men. Duration of service (positive) and pay grade (negative) were associated with both outcomes for men and women. Other risk factors differed for men and women by outcome, and the final models included different parameters for each gender. Exploratory analyses suggested interactions between demographic and occupational factors. Conclusions: The differences between the final injury and disability models underscores the utility of separate case-control comparisons to identify risk factors for related outcomes. This study demonstrates the usefulness of large linked databases in epidemiologic research of occupational injury and disability.

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Factors Predisposing Army Conscripts to Knee Exertion Injuries Incurred in a Physical Training Program

Cited by 57 publications

References 0 publications

Two Modes of Weight Training Programs and Patellar Stabilization

Two Modes of Weight Training Programs and Patellar Stabilization

Repair of the anterior cruciate ligament: Augmentation versus conventional suture of fresh rupture

Knee-Related Injuries and Disabilties in the U.S. Army, 1980-1997

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