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Table 1 REFA classification of workload

From: Duration of incapacity of work after tibial plateau fracture is affected by work intensity

Grade

Work intensity

Example

0

Work without special physical strain

Work without load like, for example, desk work

1

Work with small physical strain

Handling light work pieces; also lengthy standing or walking around

2

Work with moderate physical strain

Handling of 1–3 kg control device; carrying loads of 10–15 kg; climbing stairs or ladders without load

3

Work with hard physical strain

Carrying loads of 20–30 kg, shovelling, digging, chipping, climbing stairs or ladders with moderate load, moderate work in tense work posture

4

Work with most heavily physical strain

Carrying loads of more than 50 kg, climbing with heavy load, hard work in tense work posture