Table 2 Nishimura grading results of lumbar intervertebral disc degeneration in each group at 24 weeks.

From: The effects of simulated +Gz and microgravity on intervertebral disc degeneration in rabbits

Numbers of rabbits

Nishimura I

Nishimura II

Nishimura III

Nishimura IV

Nishimura V

Control group

8

2

0

0

0

Microgravity group

1

8

1

0

0

+Gz group

2

1

7

0

0

Mixed group

0

0

1

8

1

  1. Pathological changes of intervertebral discs were classified by Nishimura gradings. Nishimura 0, normal; Nishimura I, mildly serpentine with rupture; Nishimura II, moderately serpentine with rupture; Nishimura III, severely serpentine with mildly reversed; Nishimura IV, severely reversed contour; or Nishimura V, indistinct.
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