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This video describes how to quantify repetition using the Hand Activity Level (HAL) Scale. The HAL Scale was developed to rate the repetitiveness of hand use. it also accounts for recovery time and…
Hyperlink PDF; Assessment–A PDF worksheet assessment designed to quickly identify risky hand, arm, and shoulder postures in a workplace task. The resource takes user-inputted data about what a worker…
Hyperlink; Assessment–A tool to estimate safe maximum hand forces based on hand positioning, force direction, and duty cycle information. The resource provides instructions on how to use the tool.
Hyperlink; Assessment–Software available to purchase that predicts strength demands for a given task. The user positions a virtual worker into a working posture and applies loads to that virtual…
Hyperlink; Assessment–This resource provides an upper limit on either the relative effort or work-rest ratio to prevent upper limb muscle fatigue. Users input either the relative effort or work-rest…
Hyperlink; Assessment–A way to estimate the risk of shoulder injury for a worker. Users input information about each task a worker performs and the tool adds the potential damage accumulated by each…
Hyperlink; Assessment–A Dutch translation of OCRA (OCcupational Repetitive Action), a tool designed to assess how often workplace tasks should be performed. Considers forces, postures, task…