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PubMed1981

Functional assessment for heavy physical labor.

It is proposed that assessment of a worker who performs manual labor must include specific tests of physical capability. Such tests must meet certain criteria to be accepted as medically, economically and legally justified. The medical and economic justification for such tests is recognized by all concerned with controlling the excessive costs and human suffering associated with over-exertion strain/sprain injury and illness in industry. The legal basis for such tests is not well established and will not exist until a documented history of success or failure is developed in the courts for different types of tests. It is hoped that as various tests are developed by medical departments the criteria stated in the first part of this article will be of assistance. As to the status of isometric strength testing for employee selection and placement, it is being implemented as part of the medical examination in a number of large industries as an experimental medical procedure. Data are being continually gathered to further validate and refine the procedures. It is discussed in this contest as one of several methods which needs to be considered and evaluated to reduce musculoskeletal injury and illness in industry.

Accidents, Occupational↗
PubMed1977

[Bed rest, diet and working capability in liver disease (author's transl)].

General views concerning bed rest, diet and working capability in liver disease have changed during the last years. Rigorous bed rest in acute viral hepatitis is necessary only for short periods of time; it is necessary in chronic liver disease only in rare cases and during the terminal stage, respectively. A liver diet does not exist. Normal palatable nutrition is completely adequate in liver disease. Restriction of protein and sodium chloride intake is indicated only in cases with incumbent coma or with ascites. Patients suffering from acute viral hepatitis are incapable of working; however, they can go back to work a few weeks after the acute stage. Estimation of disability to work in patients with chronic liver disease may be difficult; no general rules can be given; in chronic active hepatitis disability is proportional to the activity of the disease and may range from 20-100%. Fatty liver without inflammatory changes does not influence working capability.

Acute Disease↗
PubMed1983

[Functional indices of the human state and work capacity under monotonous conditions].

The operator's letter apprehension activity has been handled in the experimental conditions. Under monotonous conditions worsening of the capacity for work (the increase of decision time and number of mistakes) has been shown to be correlated with the value of such electrophysiological indices as longevity of alpha-rythm blockade, amplitude and frequency amplitude characteristics of electroencephalogram, interhemispheric and central-occipital asymmetry coefficients, frequency and variability of heart-rate. The character of changes of electrophysiological indices depends on the individual psychophysiological characteristics.

Adult↗
PubMed1983

Factors affecting return to work after hand injury.

The study of 61 hand-injured subjects suggested that it is more than surgical and technical excellence that facilitates the return-to-work status among the hand-injured wage earners. Financial need, level of activities of daily living, and participation in occupational therapy were found to be directly related to return-to-work status. Additional findings indicated no difference between the rate of return to work for those whose injuries affected their dominant hand over those who had nondominant hand injuries. The amount of medical care needed and whether it was delivered as an outpatient or an inpatient were not associated with the return to work. The hand-injured subjects' relevant medical history, participation in occupational therapy, capacity in activities of daily living, desire and ability to return to work, and financial support were quantified through chart audit and interview. Occupational development was measured by using the Moorhead Occupational Work History.

Accidents, Home↗
PubMed2004

The prognostic value of functional capacity evaluation in patients with chronic low back pain: part 1: timely return to work.

STUDY DESIGN: Historical cohort study. OBJECTIVES: We examined the validity of the Isernhagen Work Systems' Evaluation in predicting timely return to work. SUMMARY OF BACKGROUND DATA: Functional Capacity Evaluations are used commonly to determine readiness for return to work, yet little is known of their validity. METHODS: Workers' compensation claimants undergoing Functional Capacity Evaluations following work-related low back injury were studied. Two cohorts were formed, one on which exploratory analyses were conducted and a second for confirmation. Evaluation indicators were the number of tasks in the protocol rated as failed and performance during the floor-to-waist lift task. The primary outcome investigated was time receiving total temporary disability benefits (as a surrogate of return to work) and a secondary outcome was time until claim closure in the year following Evaluation. Cox proportional-hazards regression was used to determine the prognostic effect of Evaluation crudely and after controlling for potential confounders. RESULTS: Few patients (4%) were found to pass all Evaluation tasks, yet most experienced total temporary disability suspension and claim closure within 1 year following Functional Capacity Evaluations. Better Evaluation performance was related to faster time to suspension of total temporary disability benefits and claim closure after controlling confounding factors, but explained little of the variation in these outcomes (approximately 10%). Performance on the floor-to-waist lift was as predictive as the number of failed tasks in the entire Functional Capacity Evaluations protocol. CONCLUSIONS: Better performance on Evaluation was weakly associated with faster recovery; however, the amount of variation explained was small. One task in the Evaluation was as predictive as the entire protocol.

Adult↗
PubMed1977

[The influence of uni- or bilateral recurrent paresis on physical capacity (author's transl].

Patients suffering from uni- or bilateral recurrent laryngeal paresis were tested by means of spirometric and complex functional capacity tests. The results obtained from patients with unilateral paresis (spirometry, spiroergometry, acid-base equilibrium, oxygen tension) did not differ from those of the control group. A restriction of the functional capacity due to disorders of breathing was not found. In patients with bilateral paresis, physiologic parameters were always influenced by the respiratory tract stenosis. Functional tests resulted in alveolar hypoventilation up to total respiratory failure connected with decreased ergometric values. The results also gave an insight into the pathophysiologic mechanisms of the respiratory obstruction as a result of the stenosis under conditions of physical strain. Suggestions for evaluating the physical functional capacity of patients are given.

Adult↗