四分律刪繁補闕行事鈔 2.310

2.310

跳行者，雙脚跳也。不犯者：有病、為人打、有賊惡獸若棘刺、度渠坑而跳過者。

Hopping along means jumping with both feet. One does not commit an offense if: being ill, being beaten by someone, there being thieves, ferocious beasts, or brambles, or leaping across a ditch or pit.