This study examined the effect of participant physique on the increase in shank circumference (ISC) for the 2‐hr standing. We recruited 20 healthy male participants (10 with normal body mass index (BMI) and 10 who were overweight) and examined their ISC every 20 min under two prolonged standing conditions (static and intermittent standing). Results showed that prolonged standing types, physiques, and sustained time significantly influence the ISC. The ISC during intermittent standing (mean = 0.38 cm) was significantly lower than that observed during static standing (mean = 0.52cm). That is, 1 min of relaxation after every 20 min of standing can effectively relieve the load on the participants’ shank during standing. The normal (BMI = 21.9) group exhibited a significantly higher ISC than the overweight group (BMI = 26.5) did. This increase was also reflected in the subjective discomfort rating results. The standing type may be more dominant than the worker's physique on the lower‐limb loading when performing prolonged standing tasks.
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