Table 7.

Top 15 keywords by occurrences count.

Rank	Keyword	Occurrence	Centrality
1	High-intensity interval training	340	0.22
2	Exercise	133	0.34
3	Interval training	67	0.29
4	Obesity	57	0.16
5	Aerobic exercise	39	0.12
6	Cardiorespiratory fitness	38	0.10
7	Body composition	37	0.08
8	Sprint interval training	37	0.13
9	Women	32	0.10
10	Physical activity	31	0.11
11	Resistance training	28	0.06
12	Aging	23	0.05
13	Exercise training	22	0.07
14	Physical fitness	22	0.05
15	Insulin resistance	21	0.04