31.   Physiologically unhealthy disks are stiff and inflexible, increasing back strain and susceptibility to injury.

32.   Sabatini likewise blamed insufficient aggression instead of a back strain that had nagged her for the past week and reasserted itself in the second set.

33.   Robert Parish returned to action this weekend after being on the injured list with a lower back strain.

34.   She had been hampered by a back strain that kept her out of the season-ending Chase Championships.

35.   She said that she was not concerned about the back strain that she began to feel early in the match.

36.   Starting right guard Gene Williams suffered a back strain.

37.   Starting strong safety Damien Richardson suffered a back strain in the first quarter and did not play in the final three periods.

38.   That means minimizing the chance of repetitive motion injuries, back strain and other workplace stresses.

39.   The crowd grows and people in the back strain to see the robo-puppies go through their paces.

40.   The ideas go beyond the conventional ergonomic issues, such as what chairs reduce back strain and what keyboards help workers avoid repetitive stress injuries.