English to Chinese Other Military / Defense

"Raise one foot, either foot, approximately 6 inches off the ground, toes pointed out, keeping both legs straight."
Question: is the following chinese phrase a correct translation for this sentence and if not where is the mistake?
抬起一只脚，哪一只脚都行，离地面约6英寸，脚尖向外，两腿绷直。