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Table 1 Average (standard deviations in parenthesis) latencies of trunk muscle responses to quick force release.

From: The effects of a three-week use of lumbosacral orthoses on trunk muscle activity and on the muscular response to trunk perturbations

  Muscle Offset Latencies [ms]
  Extension Flexion Lateral Bending#
  No LSO LSO No LSO LSO No LSO LSO
Day 0 51 (27) 71 (35) 72 (40) 63 (30) 75 (33) 73 (38)
Day 7 77 (49) 66 (31) 59 (28) 76 (30) 81 (37) 85 (38)
Day 21 66 (36) 68 (25) 74 (36) 60 (24) 86 (40) 68 (24)
Average 65 (39) 68 (30) 68 (34) 67 (29) 81 (36) 75 (34)
  Muscle Offset Latencies [ms]
  Extension # Flexion # Lateral Bending #
  No LSO LSO No LSO LSO No LSO LSO
Day 0 56 (8) 55 (6) 58 (8) 62 (10) 62 (9) 65 (10)
Day 7 57 (9) 55 (6) 60 (9) 63 (8) 63 (10) 67 (10)
Day 21 55 (7) 55 (6) 59 (13) 61 (9) 64 (13) 63 (7)
Average 56 (8) 55 (6) 59 (10) 62 (9) 63 (10) 65 (9)
  1. #denotes a statistical significance at P < 0.05 level.