From the "random things that came up in my feed" category, I share a "Crush Those Crossovers" workout from a Roller Derby skater in the UK:
Video:
https://www.youtube.com/watch?time_continue=94&v=fwT3wMPsYZQ
Blog Post with Workout:
https://www.treblemaker909.com/crush-crossovers/
QuoteFrom the Blog Post (for posterity):
Warm Up
10 x Knee Highs L & R
10 x Hip Openers L & R
10 x Leg Swings L & R
30 seconds Grapevines
30 seconds Reverse Grapevines
30 seconds Stepping Speedskaters
Two Rounds: Strength
10 x Reverse Lunges L & R
10 x Forward Lunges L & R
20 x Alternating Reverse Crossover Lunges
10 x Curtsy Lunges L & R
Cardio
60 seconds Skater Jumps
60 seconds Skater Jump + Hops
Stretches : Hold for 10-20 secs
Inner Thigh Stretch
Hamstring Stretch
Hip Stretch
Groin Stretch
Be careful with the leg swings and lunges - you have to protect your knees/ankles, so watch your alignment.