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PubMed1987

[Diagnostic-expert testimony problems related to the evaluation of the nervous system for determining the capacity for performing professional work].

Those cases of the nervous system diseases or deviations which cause most diagnostic and certificatory problems for occupational health service physicians have been analysed. They included: root pains, encephalopathies caused by the disturbed vascular system, neurones, head injuries, loss of consciousness. The diagnostic and certificatory problems resulted mainly from: deficient recognition of workstations, deficient records on the course of the disease, insufficient range of extra studies, and too rare consultations among physicians representing different specialties. An attempt to establish which procedures could facilitate issuing a certificate on the fitness for professional work has been made.

Expert Testimony↗
PubMed2005

Basis for an FCE methodology for patients with work-related upper limb disorders.

A reported reduction in work-related functional capacity in Work-related Upper Limb Disorders (WRULD) patients is among the most common problems in WRULD. The extent to which this reduction in functional capacity can be objectified remains unknown. A validated instrument to test functional capacity in this patient group is unavailable. The objective of this study was to design a Functional Capacity Evaluation (FCE) for WRULD patients working with Visual Display Units (VDU) and provide evidence for content validity. A review to epidemiological literature was conducted to identify physical risk factors for VDU-related WRULD. The results indicate that physical risk factors were related to repetition, duration, working in awkward and static positions and forceful movements of the upper extremity and neck. An FCE was designed based on the risk factors identified. Eight tests were selected to cover all risk factors: the overhead lift, overhead work, repetitive reaching, handgrip strength, finger strength, wrist extension strength, fingertip dexterity, and a hand and forearm dexterity test. Content validity of this FCE was established by providing the rationale, specific objectives and operational definitions of the FCE. Further research is needed to establish reliability and other aspects of validity of the WRULD FCE.

Biomechanical Phenomena↗
PubMed1996

Evaluation of iron metabolism indices and their relation with physical work capacity in athletes.

OBJECTIVE: To evaluate the relation between iron status and physical working capacity, and to assess the effect of oral iron treatment on these variables, in athletes with borderline iron status. METHODS: Blood haemoglobin (Hb), packed cell volume (PCV), red blood cell count (RBC), serum iron, total iron binding capacity (TIBC), and ferritin determinations were compared in 71 male and 18 female athletes participating in various sports and in matched male (n = 11) and female (n = 8) controls. The first aim was to assess the relations between these variables and performance in a physical work capacity test (PWC170). Oral iron treatment (175-350 mg ferrous fumarate daily) was provided for three weeks to six male and five female athletes with borderline Hb concentrations, to determine the effects of such treatment on both iron status and performance. RESULTS: Among females, handball players had the lowest serum ferritin concentrations (P < 0.05), the highest TIBC values, and lowest PWC170 scores (P < 0.01); runners had the highest ferritin concentrations and PWC170 scores (P < 0.01). There were significant correlations (P < 0.01) between PWC170 and PCV, serum ferritin, and transferrin saturation of female athletes. Hb, serum iron, serum ferritin, and transferrin saturation increased with iron treatment in both males (P < 0.01) and females (P < 0.05). CONCLUSIONS: Serum ferritin determination may prove a valuable addition to the screening of athletes and may indicate the need for iron treatment, even though a causal effect on improvement of work capacity may not be present.

Adult↗
PubMed2005

Functional capacity evaluation performance does not predict sustained return to work in claimants with chronic back pain.

OBJECTIVES: Functional Capacity Evaluation (FCE) is used to determine return-to-work readiness. We investigated the ability of the Isernhagen Work Systems' FCE to predict sustained return-to-work and future pain and disability in workers' compensation claimants with chronic back pain. METHODS: Prospective study of 130 claimants undergoing FCE for chronic back problems. FCE indicators included number of failed tasks and floor-to-waist lift weight. Recovery indicators included days to suspension of time-loss benefits and future recurrence. Subjects were contacted after one year to determine pain intensity and disability. Analysis included Cox and logistic regression. RESULTS: Fewer failed tasks (HRR 0.94 (0.91-0.98) and higher floor-to-waist lift (HRR 1.38 (1.17-1.62) were associated with faster return-to-work. FCE was not associated with future recurrence, or reported pain intensity, or disability in subjects reached for follow-up. CONCLUSIONS: Better FCE performance was mildly associated with indicators of faster return-to-work. However, FCE is not related to recurrent back problems, future pain intensity, or self-reported disability.

Adult↗
PubMed1993

[Systematic mathematical modeling of functional tension in a working man].

A bipolar pattern of human work was applied to evaluate the dependences of human functional status and capacity for work on occupational factors, work algorithms, etc. The results lead to a conclusion that the relationships of intellectual and physical elements of work have a special influence on the correlations between functional status and three main structures of the pattern: industrial conditions, working process and other acting circumstances (from emotions to social and everyday life). The pattern enables to base automatic controlling systems taking into account the complete human functioning, to make a durable forecast of human health and capacity for work, which is very important for medical insurance.

Adaptation, Physiological↗
PubMed1988

Prediction of early retirement on the basis of a health examination. An 11-year follow-up of 264 male employees in a Swedish pulp and paper company.

In a Swedish pulp and paper company 264 men in the age groups 36, 46, and 56 years underwent a health examination in 1972. An 11-year follow-up in respect of early retirement was performed. On the basis of collected data, five scales to assess work ability were established. The scales were (i) self-assessment of health and work capacity, (ii) the doctor's evaluation of general medical work capacity, (iii) the doctor's assessment of medical adaptation to work, (iv) aerobic work capacity, predicted from a submaximal bicycle test, and (v) work performance, determined from an interview with the subject's nearest superior. Multivariate analysis of the five scales and about 30 other variables showed that general medical work capacity was one of the strongest predictors of early retirement. It was also shown that the medical variables were better predictors of early retirement than the psychological and sociological ones. It was concluded that it is possible to predict early retirement on the basis of a health examination within an occupational health organization.

Adult↗
PubMed1999

[Evaluation of permanent sequelae of eye injuries in relation to the duration of work disability and degree of invalidism].

The authors evaluated the sequelae of 200 eye injuries based on forensic attests during the investigation period from 1983-1997. The group comprised 166 men and 34 women, mean age 37.5 years, incl. 25 children under 18 years. They classified the injuries in-to groups with regard to their origin and mechanism. Attention was paid to evaluation of visual acuity at distance, the number of operations of the eyes and the authors classified the group with regard to ophthalmological diagnosis and complications. The mean period of hospitalization was 32.8 days, the mean period of work incapacity 117.7 days. In the whole group there were 75 monoculi, 6 bilaterally blind subjects, one quarter had 6/6 vision on both eyes. Almost half the injured subjects had a reduced work capacity, there were 66 partial invalids, 22 full invalids, 13 subjects had an altered work capacity. The discussion is focused on better collaboration of the ophthalmologist and physician assessing the work capacity in evaluation of permanent sequelae of eye injuries.

Adolescent↗
PubMed2002

Test-retest reliability on nine tasks of the Physical Work Performance Evaluation.

The Physical Work Performance Evaluation (PWPE) is one of many functional capacity evaluations (FCEs) currently available to assist with determining injured workers' physical potential to return to work. Previous research has explored interrater reliability, construct and predictive validity of the PWPE. This research examined test-retest reliability on a sample of 24 clients with stable physical injuries who were participating in vocational rehabilitation. Nine of the 21 main tasks of the PWPE were evaluated: lifting floor to waist, bilateral carrying, pushing, sitting, standing, kneeling, stair climbing, repetitive squatting and walking. Kappa scores ranged from 0.19 (error) to 0.77 and percent agreement from 66.7% to 87.5%. The results for kneeling, lifting floor to waist, bilateral carrying and pushing tasks suggest substantial test-retest reliability with moderate reliability also suggested for the standing and repetitive squatting tasks. Self-limiting behavior and alterations in pain scores, position adjustments and movement deviations are seen to be the main contributors to affect scoring between the first and second tests.

Adult↗