Journal List > Korean J Sports Med > v.35(3) > 1054594

Kim: Effects of Preseason Intermittent Complex Training on Body Composition, Aerobic-Anaerobic Capacity, and Hematologic Parameters in High School Soccer Players


The purpose of this study was to compare body composition, anaerobic capacity, and hematologic parameters after intermittent complex training in high school soccer players. The subjects were 15 high school soccer players (age, 15.60±0.82 years; height, 171.93±5.65 cm; body weight, 61.32±7.43 kg). Clinical variables included body composition, anaerobic capacity, and hematologic parameters. Data were analyzed to compare between trials by paired sample t-test. As a result, there were significant differences in body weight (p<0.05) and muscle mass (p<0.05) of body composition after 4 weeks. There were significant differences in shuttle run (p<0.001) and heart rate in rest (p<0.05) of aerobic performance after 4 weeks. There were significant differences in lactate dehydrogenase (p<0.001), creatine kinase (p<0.001), all out lactic acid (p<0.01), and red blood cell (p<0.001) of hematologic parameters after 4 weeks. In summary, intermittent complex training for 4 weeks showed strong influences on body composition and hematologic parameters variables in high school soccer players.

Figures and Tables

Table 1

Physical characteristics of subjects


Values are presented as mean±standard deviation.

Table 2

Intermittent complex training program

Table 3

Shuttle run recovery program

Table 4

Body composition variables after training


SD: standard deviation.


Table 5

Anaerobic and aerobic variables after training (n=15)


SD: standard deviation, Avg: average, Min: minimum, rep: repetition, HRrest: heart rate in rest, HRmax: maximum heart rate, HRrecovery: heart rate recovery.

*p<0.05, ***p<0.001.

Table 6

Hematologic parameters after training (n=15)


SD: standard deviation, GOT: glutamic oxaloacetic transaminase, GPT: glutamic pyruvic transaminase, LDH: lactate dehydrogenase, CK: creatine kinase, LA: lactate acid, WBC: white blood cell, RBC: red blood cell.

**p<0.01, ***p<0.001.


Conflict of Interest No potential conflict of interest relevant to this article was reported.


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