Skip to main content

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.