"Lame" is a figurative characteristic of a person who violates, perverts the Will of God, and is unwilling to walk in life, following His Commandments.

 "Lame" is a figurative characteristic of a person whose thoughts and actions have a moral, spiritual flaw, a loss of a true worldview.  

"Lame" is a figurative characteristic of a person who at any moment is able to go "away" from doing the Will of God, i.e., from the true way of life, succumbing to the temptation to commit sin.

 "Lameness" is a consequence of the violation of God's Commandments, a consequence of spiritual "blindness," that is, ignorance of the method, the way of righteous living.  

 "Limping" spiritually is a sinful way of life inherited as an example from others (forebears, family, society, and the consequences of a flawed spiritual heredity).