Barbell JM PRESS — Muscles Worked & RPE Load Guide
FR: JM Press · Fine 1.25–2.5 kg micro-loading
Barbell JM PRESS targets Triceps Brachii as primary movers (1.0× set credit). Descending or bell-shaped barbell lever.
Primary Movers (1.0×)
Triceps Brachii
Full 1.0 hard-set credit per set
Secondary Synergists (0.5×)
Minimal synergists
Fractional 0.5 set stimulus
Equipment & Pattern
Barbell
External / Standard Load
CSV Import Aliases
1
Strong, Hevy, Capua & Jefit
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 |
Barbell JM PRESS Worked Wathan RPE Prescription Table (kg)
Worked kg values computed for Barbell JM PRESS using a worked 55.0 kg reference 1RM (Barbell) rounded to 2.5 kg barbell increments. Mechanics: Bilateral free-bar coordination; resistance curve: Descending or bell-shaped barbell lever.
| Reps | RPE 9.5 | RPE 9 | RPE 8.5 | RPE 8 | RPE 7 |
|---|---|---|---|---|---|
| 3 reps | 0 kg (86%) | 0 kg (86%) | 0 kg (86%) | 0 kg (82%) | 0 kg (82%) |
| 5 reps | 0 kg (82%) | 0 kg (82%) | 0 kg (82%) | 0 kg (77%) | 0 kg (77%) |
| 8 reps | 0 kg (73%) | 0 kg (73%) | 0 kg (73%) | 0 kg (73%) | 0 kg (68%) |
| 10 reps | 0 kg (73%) | 0 kg (68%) | 0 kg (68%) | 0 kg (68%) | 0 kg (68%) |
| 12 reps | 0 kg (68%) | 0 kg (68%) | 0 kg (68%) | 0 kg (64%) | 0 kg (64%) |
Strong, Hevy & French/English CSV Import Labels
STRUGGL automatically maps these exact workout-tracker strings to canonical Barbell JM PRESS volume and e1RM records on zero-login Wrapped CSV upload.
Barbell JM PRESS
JM Press
jm press
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 |
|---|---|---|
| Varying the Order of Combinations of Single- and Multi-Joint Exercises Differentially Affects Resistance Training Adaptations. | Brandão (2020) · Journal of strength and conditioning research | PubMed 32149887 ↗ |
| Effects of body position and loading modality on muscle activity and strength in shoulder presses. | Saeterbakken (2013) · Journal of strength and conditioning research | PubMed 23096062 ↗ |
| Influence of bench angle on upper extremity muscular activation during bench press exercise. | Lauver (2016) · European journal of sport science | PubMed 25799093 ↗ |