EZ bar Skullcrusher — Muscles Worked & RPE Load Guide
EZ bar Skullcrusher targets Triceps Brachii as primary movers (1.0× set credit). Leverage-dependent resistance arc across joint flexion.
17-Muscle Fractional Recruitment & Weekly MEV–MRV Landmarks
Each working set ≥ RPE 6 triggers fractional hard-set credit toward Renaissance Periodization / Schoenfeld weekly hypertrophy landmarks.
| Muscle Group | Mechanical Role | Effort Share | Weekly Optimal Band (MEV–MAV) | Frequency & Research |
|---|---|---|---|---|
| Triceps Brachii | Primary (1.0× set) | 100% | 6–14 sets/wk (MRV 18) | 2–4x / week · Evidence |
EZ bar Skullcrusher Worked Wathan RPE Prescription Table (kg)
Worked kg values computed for EZ bar Skullcrusher using a worked 37.5 kg reference 1RM (Ez) rounded to 2.5 kg ez increments. Mechanics: Relative bodyweight kinematics & core bracing; resistance curve: Leverage-dependent resistance arc across joint flexion.
| Reps | RPE 9.5 | RPE 9 | RPE 8.5 | RPE 8 | RPE 7 |
|---|---|---|---|---|---|
| 3 reps | 0 kg (87%) | 0 kg (87%) | 0 kg (87%) | 0 kg (80%) | 0 kg (80%) |
| 5 reps | 0 kg (80%) | 0 kg (80%) | 0 kg (80%) | 0 kg (80%) | 0 kg (73%) |
| 8 reps | 0 kg (73%) | 0 kg (73%) | 0 kg (73%) | 0 kg (73%) | 0 kg (67%) |
| 10 reps | 0 kg (67%) | 0 kg (67%) | 0 kg (67%) | 0 kg (67%) | 0 kg (67%) |
| 12 reps | 0 kg (67%) | 0 kg (67%) | 0 kg (67%) | 0 kg (67%) | 0 kg (60%) |
Strong, Hevy & French/English CSV Import Labels
STRUGGL automatically maps these exact workout-tracker strings to canonical EZ bar Skullcrusher volume and e1RM records on zero-login Wrapped CSV upload.
Taken-Rack Substitutes & Biomechanical Swaps
Ranked deterministically by weighted primary-muscle overlap inside the same measurement family.
Verified Peer-Reviewed Literature (PubMed & DOI)
| Peer-Reviewed Paper | Author & Journal | External Reference |
|---|---|---|
| An Electromyographic Analysis of Lateral Raise Variations and Frontal Raise in Competitive Bodybuilders. | Coratella (2020) · International journal of environmental research and public health | PubMed 32824894 ↗ |
| Front vs Back and Barbell vs Machine Overhead Press: An Electromyographic Analysis and Implications For Resistance Training. | Coratella (2022) · Frontiers in physiology | PubMed 35936912 ↗ |
| Maximal Strength Performance and Muscle Activation for the Bench Press and Triceps Extension Exercises Adopting Dumbbell, Barbell, and Machine Modalities Over Multiple Sets. | Farias (2017) · Journal of strength and conditioning research | PubMed 27669189 ↗ |