An Empirical Analysis of the Influence of Volleyball Elective Course on Students’ Physical Health Based on Digital Image

Table 10

Comparison of physical fitness indexes of boys.

Project	Before training	After training
50 m	7.92 ± 6.77	7.31 ± 8.20
Standing long jump	216.30 ± 16.09	246.97 ± 13.12
Sitting body flexion	8.62 ± 3.3	8.35 ± 6.12
Pull-up	7.66 ± 4.03	10 ± 3.10
1000 m	238.10 ± 18.55	240.13 ± 19.01