Sports Injury Surveillance in Japanese Junior and Senior High School Students


Year

Injuries, no.

Injury rate

2009

256,369

8,864

2010

264,369

9,294

2011

268,608

9,452



A320078_1_En_2_Fig1_HTML.gif


Fig. 2.1
The number (left) and rate (right) of sports-related injuries from all 11 sports




The Number and Rate of Sports-Related Injuries in Male and Female Students


Although the number of injuries for male students was more than twice that of female students, the rate of injury did differ minimally with respect to sex. The number of injuries increased slightly each year for both sexes (Table 2.2, Fig. 2.2).


Table 2.2
The number and rate of sports-related injuries in male and female students








































Sex
Year
Injuries, no.
Injury rate

Female
2009
80,440
8,188

2010
82,574
8,639

2011
84,651
8,914

Male
2009
175,929
9,211

2010
181,795
9,625

2011
183,957
9,723


A320078_1_En_2_Fig2_HTML.gif


Fig. 2.2
The number (left: corrected Fig.) and rate (right) of sports-related injuries in male and female students


The Number and Rate of Sports-Related Injuries in Junior and Senior High School Students


The number of injuries was 1.5-fold higher in junior high school students than in senior high school students and increased slightly each year for both junior and senior high school students. The rate of injury was slightly higher in senior high school than in junior high school students (Table 2.3, Fig. 2.3).


Table 2.3
The number and rate of sports-related injuries in junior and senior high school students







































Injury
Junior high school
Senior high school

2009
2010
2011
2009
2010
2011

Injuries, no.
157,347
161,817
161,545
99,022
102,552
107,063

Injury rate
8,351
8,790
8,723
9,669
10,973
10,639


A320078_1_En_2_Fig3_HTML.gif


Fig. 2.3
The number (left) and rate (right) of sports-related injuries in junior and senior high school students


The Number of Sports-Related Injuries by Month


The number of injuries demonstrated a similar trend during the year for each of the three years of the study period: the greatest number of sports-related injuries occurred in the beginning of the school term, especially in May. This shows the importance of executing the prevention program beginning at the start of the school term and continuing it through the summer (Table 2.4, Fig. 2.4).


Table 2.4
The number of sports-related injuries by month










































































Month\year
2009
2010
2011

April
28,313
26,965
27,553

May
29,389
30,569
29,828

June
27,404
27,649
27,367

July
27,401
27,259
28,370

August
24,821
25,209
26,623

September
22,762
23,859
23,852

October
16,293
20,399
21,681

November
14,107
16,629
17,645

December
15,821
16,300
17,718

January
17,232
17,807
18,414

February
13,096
12,515
12,571

March
19,730
19,209
16,986


A320078_1_En_2_Fig4_HTML.gif


Fig. 2.4
The number and rate of sports-related injuries by month


The Number of Sports-Related Injuries by Body Part


The body part most frequently injured was the ankle joint, followed by the hand and finger, head, and knee joint (Table 2.5, Fig. 2.5).


Table 2.5
The number of sports-related injuries by body part



































































































Body part\year
2009
2010
2011

Head
41,326
42,160
41,366

Neck
2,566
2,701
2,424

Shoulder complex
8,957
9,055
9,275

Upper arm
2,120
2,123
2,523

Elbow
6,711
6,805
6,710

Forearm
8,466
8,491
8,681

Wrist
9,735
9,958
10,511

Hand finger
48,001
48,529
48,315

Thoracoabdominal
4,379
4,495
4,094

Lumbar
10,684
10,934
11,634

Buttock
1,030
3,056
1,027

Hip and thigh
9,165
7,442
10,515

Knee
22,633
23,409
23,711

Shank
11,479
11,676
12,006

Ankle
51,922
55,172
57,731

Foot toe
15,384
15,467
15,107

Other
1,811
2,896
2,978


A320078_1_En_2_Fig5_HTML.gif


Fig. 2.5
The number of sports-related injuries by body part


The Number of Sports-Related Injuries by Type


The most frequent type of injury was bone fracture, followed by joint sprain and contusion/bruise (Table 2.6, Fig. 2.6)


Table 2.6
The number of sports-related injuries by type








































































































Type\year
2009
2010
2011

Bone fracture
71,058
73,363
75,066

Joint sprain
64,131
63,450
65,996

Contusion bruise
60,260
60,745
66,046

Muscle tendon strain
24,575
29,211
24,522

Joint trauma
7,664
6,137
6,138

Bone trauma
5,716
6,141
6,047

Laceration abrasion
9,939
10,144
10,005

Dislocation
5,893
5,872
7,492

Tooth fracture
1,581
1,733
1,845

Eye trauma
1,299
1,537
866

Heat stroke
1,137
2,331
2,080

Skin trauma
712
624
736

Internal trauma
962
542
406

Neurologic trauma
525
956
602

Ear trauma
427
578
260

Burn
115
105
71

Food poisoning other poisoning
75
78
59

Other
300
822
371


A320078_1_En_2_Fig6_HTML.gif


Fig. 2.6
The number of sports-related injuries by type


The Number and Rate of Sports-Related Injuries by Sport


The sport with the largest total number of injuries was basketball, followed by soccer and baseball (Table 2.7, Fig. 2.7). The sport with the highest frequency of injury was rugby, followed by Judo and basketball (Table 2.8, Fig. 2.8). Notably, these results showed a trend towards a gradual increase in the number and rate of sports-related injuries for many sports.


Table 2.7
The number of sports-related injuries by sport





































































Sport\year
2009
2010
2011

Basketball
64,448
67,495
69,335

Soccer
48,304
50,594
53,465

Baseball
48,603
48,400
45,580

Volleyball
33,722
33,789
32,824

Tennis
17,757
17,733
17,283

Track and field
11,804
13,547
17,226

Judo
11,803
11,864
11,749

Rugby
10,057
10,320
10,881

Kendo
6,563
6,943
6,684

Gymnastics
2,040
2,315
2,601

Swimming
1,268
1,369
980


A320078_1_En_2_Fig7_HTML.gif


Fig. 2.7
The number of sports-related injuries by sport



Table 2.8
The rate of sports-related injuries by sport





































































Sport\year
2009
2010
2011

Rugby
29,204
32,051
33,923

Judo
16,592
17,536
17,954

Baseball
13,411
14,029
14,542

Soccer
10,172
13,240
13,330

Gymnastics
10,388
11,857
13,299

Volleyball
10,293
10,851
10,697

Baseball
12,663
10,499
10,140

Kendo
4,506
4,755
4,579

Tennis
3,125
3,235
5,393

Track and field
3,799
4,268
3,164

Swimming
1,688
1,756
1,232


A320078_1_En_2_Fig8_HTML.gif


Fig. 2.8
The rate of sports-related injuries by sport



2.3.2 Analysis of Individual Sports-Related Injuries



Severe Head and Neck Injury


More than 500 cases of severe head and neck injury were reported every year, and the number increased each year (Table 2.9, Fig. 2.9). When assessed separately, the numbers of both head injuries and neck injuries also increased every year.


Table 2.9
The number (left) of severe head and neck injuries and the rate (right) of severe head injuries by year













 
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Oct 16, 2016 | Posted by in SPORT MEDICINE | Comments Off on Sports Injury Surveillance in Japanese Junior and Senior High School Students

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