Testing The Effects of Player Matching in Basketball Matches and Small-Sided Game Training Scenarios Based on The Relative Age Effect: A 6-Month Study on Physical Performance and Skill Adaptations

Table 1. Changes of COD deficit, YYIRT, CMJ, shooting, passing, and dribbling over time among CON and BG groups.

	CONq1q2 (n = 12)	CONq1q2 (n = 12)	CONq3q4 (n = 9)	CONq3q4 (n = 9)	BGq1q2 (n = 11)	BGq1q2 (n = 11)	BGq3q4 (n = 9)	BGq3q4 (n = 9)
	Baseline	6-month	Baseline	6-month	Baseline	6-month	Baseline	6-month
COD deficit (s)	0.65 ± 0.19	0.54 ± 0.12	0.67 ± 0.08	0.65 ± 0.6	0.66 ± 0.14	0.55 ± 0.06	0.63 ± 0.15	0.54 ± 0.09
YYIRT (m)	448.3 ± 100.3	548.3 ± 93.2	442.2 ± 95.6	448.9 ± 89.5	443.6 ± 88.0	541.8 ± 74.0	444.4 ± 35.7	542.2 ± 40.6
CMJ (cm)	27.7 ± 2.7	30.6 ± 1.5	27.2 ± 2.0	28.1 ± 1.8	27.5 ± 2.8	30.7 ± 2.4	27.3 ± 1.5	30.0 ± 1.3
Shooting (n)	26.5 ± 1.6	29.7 ± 1.6	26.3 ± 1.9	27.0 ± 2.1	27.1 ± 2.0	30.3 ± 2.0	27.1 ± 2.3	30.4 ± 2.0
Passing (n)	91.3 ± 1.7	94.6 ± 1.8	90.8 ± 2.5	91.2 ± 3.1	91.1 ± 2.2	94.5 ± 2.4	90.6 ± 2.0	94.0 ± 2.0
Dribbling (n)	15.8 ± 0.4	15.2 ± 0.3	15.8 ± 15.7	15.8 ± 0.3	15.8 ± 0.4	15.2 ± 0.3	15.8 ± 0.4	15.2 ± 0.4

COD: change-of-direction; YYIRT: Yo-Yo intermittent recovery test; CMJ: countermovement jump; CON: control; BG: birthdate grouping; q1q2: birthdate between January and June; q3q4: birthdate between July and December.