21.   He was reading a newspaper while standing to rest his aching back.

22.   His aching back was like a restrictor plate.

23.   If you attack packing carefully and deliberately, your aching back will thank you.

24.   It was already a night when the Lone Ranger rode without Tonto as Pippen labored with a painfully aching back.

25.   Jack Nicklaus, because his aching back does not promote a maximum effort, might stay away all together.

26.   Now, it is his aching back.

27.   Now it is his aching back.

28.   Our aching back and biceps beg us to slow down.

29.   Plus, Graf has an aching back.

30.   Pepper, the defending champion, was playing despite an aching back.