Hardstyle RKC Plank

Default prescription & biomechanics

Primary muscles

Core, Abs

Secondary muscles

Glutes, Quadriceps

Equipment

Bodyweight

Movement pattern

Core (Static force)

Difficulty

Beginner

Working rep range

30-45s per set

Between-set interval

60 seconds rest

Intensity & MET

Moderate (3.8 MET)

Step-by-step coaching cues

1. Set up on forearms and toes with elbows directly beneath your shoulders.
2. Isometrically pull your elbows toward your toes while squeezing glutes and quads at 100 percent tension.
3. Breathe shallowly behind the shield of your braced abs.

Joint & safety considerations

No specific joint contraindications are flagged for Hardstyle RKC Plank. Maintain controlled tempo across the full range of motion and stop the set if sharp joint pain occurs.

Biomechanical alternatives & swaps

Used by the in-app Swap sheet when your equipment is occupied or when adjusting exercise difficulty.

Exercise	Relationship	Equipment
Kneeling Rope Cable Crunch	Cable swap	Cable
Bench or Floor Reverse Crunch	Same movement pattern	Bodyweight
Controlled Contralateral Dead Bug	Same movement pattern	Bodyweight
Gymnastic Hollow Body Hold	Same movement pattern	Bodyweight
Roman Chair / Captain's Chair Leg Raise	Same movement pattern	Bodyweight
Ab Wheel or Barbell Rollout	Same movement pattern	Bodyweight

From the WorkoutCard biomechanical library (613 verified movements). For general strength and conditioning education, not medical or physiotherapy advice.