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Table 5 Non-traumatic musculoskeletal disorder classification by decades of age

From: Epidemiological patterns of traumatic musculoskeletal injuries and non-traumatic disorders in Japan Self-Defense Forces

Age (y)

15ā€“19

20ā€“29

30ā€“39

40ā€“49

50ā€“60

Total

Ā 

n

%

n

%

n

%

n

%

n

%

n

%

Lumbar disorder

256

23.4

1115

26.8

1225

32.3

1370

27.7

582

24.2

4548

27.7

Tendon disorder

276

25.3

1098

26.4

824

21.7

1079

21.8

529

22.0

3806

23.2

Joint disorder

140

12.8

566

13.6

511

13.5

915

18.5

501

20.8

2633

16.1

Cervical disorder

10

0.9

157

3.8

404

10.6

614

12.4

261

10.9

1446

8.8

Periarthritis

42

3.8

176

4.2

189

5.0

400

8.1

252

10.5

1059

6.5

Ligament disorder

129

11.8

442

10.6

191

5.0

180

3.6

69

2.9

1011

6.2

Bone bruise

121

11.1

216

5.2

104

2.7

70

1.4

40

1.7

551

3.4

Nerve disorder

23

2.1

102

2.5

121

3.2

127

2.6

67

2.8

440

2.7

Fatigue fracture

54

4.9

93

2.2

40

1.1

42

0.8

11

0.5

240

1.5

Tumor

15

1.4

49

1.2

72

1.9

58

1.2

41

1.7

235

1.4

Other

27

2.5

140

3.4

108

2.9

97

2.0

54

2.2

426

2.6

Total

1093

100.0

4154

100.0

3789

99.9

4952

100.0

2353

100.1

16,395

100.0