So I’m sure you’ve had those days where you walk into the weight room knowing it’s squat day and you feel tight as hell and realize that you need to work to mobilize your hips, knees, and ankles. After 8 hours of a stressful workday, a long commute in the car, and too much Netflix in the evening it’s easy to fall into the trap of getting that all too common hip, knee, and ankle immobility that can train wreck your squat day.