The Hotspots of Sports Science and the Effects of Knowledge Network on Scientific Performance Based on Bibliometrics and Social Network Analysis

Table 1

High-frequency keywords.

No.	Keyword	Frequency
1	Competitive sports	1853
2	School sports	1316
3	Sports management	1262
4	Physical education	1243
5	Mass sports	1240
6	Sports culture	1104
7	Traditional national sports	993
8	Colleges	962
9	Sports industry	924
10	College students	839
11	Athletes	808
12	Martial arts	797
13	Sports history	797
14	Sports economy	778
15	Sports teaching	741
16	Olympic movement	590
17	The Olympic games	589
18	Football	585
19	National fitness	511
20	Beijing Olympic games	496
21	The United States	471
22	Rat	459
23	Teenagers	446
24	Basketball	446
25	Excellent athletes	411
26	Sports training	387
27	Physical education curriculum	373
28	PE teachers	362
29	Women	343
30	Physical exercise	329
31	Constitution	319
32	Sports sociology	299
33	Japan	297
34	Men	287
35	Culture	286
36	College sports	283
37	Animal experiments	280
38	Table Tennis	277