It also safely strengthens the weak hip adductor muscles to reduce aches and pains, so it has a benefit of pain relief. (fitwirr.com)
There are preliminary indications that hip adductor strengthening programs may be beneficial for reducing the incidence of adductor - related groin strain injury (Engebretsen et al. 2008; Hölmich et al. 2010; see review by Esteve et al. 2015) and also that wearing compression shorts may be beneficial for reducing the load on the adductor longus during return to sport post-injury, by virtue of reducing the muscle activity during cutting actions (Chaudhari et al. 2014). (strengthandconditioningresearch.com)
For example, Masuda et al. (2005) found that ball velocity during maximal kicking efforts by university soccer players was associated with hip adductor but not knee extensor torque production during isokinetic testing. (strengthandconditioningresearch.com)