The double under is a jump rope skill where the rope passes under your feet twice per jump, building coordination, speed, and cardiovascular endurance. It’s a popular movement in high-intensity double under workouts, often used to spike heart rate and improve timing under fatigue.

In this workout, double unders challenge your footwork, rhythm, and breathing, making them a key tool for improving overall conditioning. Whether you're linking sets or working on consistency, double unders are a fast-paced way to level up your engine.

The V-up is a bodyweight core exercise that targets your abdominals, hip flexors, and overall midline control. It’s often used in V-up workouts to build core endurance, especially in high-rep or gymnastic-style training.

In this workout, V-ups demand coordination, flexibility, and explosive core engagement. They’re a great alternative to sit-ups when you want more intensity and a greater range of motion — making them perfect for CrossFit and functional fitness routines.

The ring row is a scalable bodyweight pulling movement that strengthens the upper back, arms, and core. Common in ring row workouts and as a progression toward pull-ups, it builds horizontal pulling strength with full range of motion and control.

In this workout, ring rows help develop grip, scapular stability, and posture, especially when performed with tempo or high volume. Whether you're scaling pull-ups or working strict strength, the ring row is a valuable movement for all fitness levels.

The dumbbell thruster is a full-body movement that combines a front squat and an overhead press, using one or two dumbbells. A staple in many dumbbell thruster workouts, it builds leg strength, shoulder endurance, and cardiovascular fitness all at once.

In this workout, dumbbell thrusters challenge your coordination, core stability, and pacing, making them perfect for high-rep conditioning or strength endurance. Whether you're using light or heavy weight, the dumbbell thruster delivers maximum intensity in minimal time.