Effects of Sprint Interval Training Surface on Physical Fitness Attributes of Collegiate Female Soccer Players: Identifying Individual Responses to Training on Grass, Sand, and Land Surfaces

Figure 1. Individual percent changes (%∆) for the SAND, GRASS and LAND groups from pre to post a 7-week intervention in the CMJ (A), 20-m sprint (B), Illinois CoD (C), Yo-Yo IR1 (D), 2.4 km time trail, and MKD (F).