What muscles does Machine Preacher Curl work?

Machine Preacher Curl trains Biceps Brachii & Brachialis as primary movers (counted as 1.0 hard set per set) and Forearms & Grip as secondary synergists (counted as 0.5 hard set per set).

What is Machine Preacher Curl called in French, Strong, and Hevy exports?

In French gym logs and Strong/Hevy CSV exports, Machine Preacher Curl also resolves cleanly from Machine Preacher Curl.

Machine · BICEPS

Machine Preacher Curl — Muscles Worked & RPE Load Guide

FR: Machine Preacher Curl · High output close to 0 RIR with minimal CNS tax

Machine Preacher Curl targets Biceps Brachii & Brachialis as primary movers (1.0× set credit) alongside Forearms & Grip (0.5× synergist credit). Cam-matched resistance across sticking points.

Primary Movers (1.0×)

Biceps Brachii & Brachialis

Full 1.0 hard-set credit per set

Secondary Synergists (0.5×)

Forearms & Grip

Fractional 0.5 set stimulus

Equipment & Pattern

Machine

External / Standard Load

CSV Import Aliases

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
Biceps Brachii & Brachialis	Primary (1.0× set)	80%	8–20 sets/wk (MRV 26)	2–6x / week · Evidence
Forearms & Grip	Secondary (0.5× set)	20%	4–16 sets/wk (MRV 20)	2–6x / week · Evidence

Machine Preacher Curl Worked Wathan RPE Prescription Table (kg)

Worked kg values computed for Machine Preacher Curl using a worked 50.0 kg reference 1RM (Machine) rounded to 5 kg machine increments. Mechanics: Externally braced cam track; resistance curve: Cam-matched resistance across sticking points.

Reps	RPE 9.5	RPE 9	RPE 8.5	RPE 8	RPE 7
3 reps	0 kg (90%)	0 kg (80%)	0 kg (80%)	0 kg (80%)	0 kg (80%)
5 reps	0 kg (80%)	0 kg (80%)	0 kg (80%)	0 kg (80%)	0 kg (70%)
8 reps	0 kg (70%)	0 kg (70%)	0 kg (70%)	0 kg (70%)	0 kg (70%)
10 reps	0 kg (70%)	0 kg (70%)	0 kg (70%)	0 kg (70%)	0 kg (60%)
12 reps	0 kg (60%)	0 kg (60%)	0 kg (60%)	0 kg (60%)	0 kg (60%)

Strong, Hevy & French/English CSV Import Labels

STRUGGL automatically maps these exact workout-tracker strings to canonical Machine Preacher Curl volume and e1RM records on zero-login Wrapped CSV upload.

Machine Preacher Curl

Taken-Rack Substitutes & Biomechanical Swaps

Ranked deterministically by weighted primary-muscle overlap inside the same measurement family.

Band biceps curl (100% overlap) Barbell Biceps Curl (100% overlap) Barbell Spider Curl (100% overlap)

Verified Peer-Reviewed Literature (PubMed & DOI)

Peer-Reviewed Paper	Author & Journal	External Reference
Training in the Initial Range of Motion Promotes Greater Muscle Adaptations Than at Final in the Arm Curl.	Pedrosa (2023) · Sports (Basel, Switzerland)	PubMed 36828324 ↗
Distinct muscle growth and strength adaptations after preacher and incline biceps curls.	Kassiano (2025) · International journal of sports medicine	PubMed 39809454 ↗
Placing Greater Torque at Shorter or Longer Muscle Lengths? Effects of Cable vs. Barbell Preacher Curl Training on Muscular Strength and Hypertrophy in Young Adults.	Nunes (2020) · International journal of environmental research and public health	PubMed 32823490 ↗

17-Muscle Fractional Recruitment & Weekly MEV–MRV Landmarks

Machine Preacher Curl Worked Wathan RPE Prescription Table (kg)

Strong, Hevy & French/English CSV Import Labels

Taken-Rack Substitutes & Biomechanical Swaps

Verified Peer-Reviewed Literature (PubMed & DOI)

Compute Your Exact Machine Preacher Curl 1RM & Weekly Muscle Volume