Researchers studied a type of resistance training called velocity-based training (VBT) in 15 female college basketball players. They compared two versions: one where athletes stopped squats after a 10% drop in speed (VL10%) and another with a 20% drop (VL20%), both aiming for a target speed of 0.7 m/s. The training lasted about 1.8 months, and athletes were tested on things like squat jumps, sprints, and maximum strength.
In this small study, both training groups showed improvements in some areas. For example, sprint times over 10 and 20 meters got better, and maximum squat strength increased. However, there was no clear improvement in countermovement jumps, and the two methods did not show statistically significant differences in how they affected performance. Safety concerns like injuries were not reported, but the study was too small to fully assess risks.
The main reason to be careful is that this was a small, early trial with only 15 athletes, so the results are not yet strong enough to change training practices. Larger studies are needed to verify if one velocity threshold is truly better and to see if these findings apply to other groups. Readers should realistically take this as preliminary evidence that velocity-based training might help with some athletic skills, but more research is required before making any training changes.