Do you know these words?

• あしが　つる

  to get a leg cramp

• あしが　もつれる

  to trip over one's own feet ; legs trip up each other

• あしが　よたよたする

  to walk unsteadily ; to totter

• あしこしが　よわる

  to get weak hips and legs

• うちまたに　する

  to turn one's feet inward