adductors

Biceps don't get much isolation time in functional fitness workouts but it's cool to show them some love. Nothing wrong with well-developed arms and they do look good, there's always that.
No matter what sport you do, the three muscles groups that are in desperate need of a time out are the ilio psoas, adductors, and the glute muscles.
The adductors can do a lot more for your performance than just squeeze your knees together.
You’re about to identify which muscles are working against you, and how to get them fired up for a bigger squat.