Table 3 Detailed overview of the experimental program for both groups lasting 4 weeks.

From: Effects of change of direction during high-intensity interval training on physical performance in young football players

week

Description

VIFT value

Training load (ATU)

1

3 × (5 x 15”−15” HIITlinear)/1 × 180 degree turn for HIITCOD

90% VIFT

700

3 × (5 x 15”−15” HIITlinear)/1 × 180 degree turn for HIITCOD

90% VIFT

700

2

3 × (8 x 15”−15” HIITlinear)/2 × 180 degree turn for HIITCOD

90% VIFT

1100

3 × (8 x 15”−15” HIITlinear)/2 × 180 degree turn for HIITCOD

90% VIFT

1100

3

4 × (8 x 15”−15” HIITlinear)/2 × 180 degree turn for HIITCOD

95% VIFT

1500

4 × (8 x 15”−15” HIITlinear)/2 × 180 degree turn for HIITCOD

95% VIFT

1500

4

4 × (6 x 15”−15” HIITlinear)/3 × 180 degree turn for HIITCOD

95% VIFT

1200

4 × (6 x 15”−15” HIITlinear)/3 × 180 degree turn for HIITCOD

95% VIFT

1200

  1. “ seconds; VIFT velocity obtained during the final completed stage of the 30–15 intermittent fitness test: ATU arbitrary training units.
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