What muscles does Machine Seated Leg Curl work?

Machine Seated Leg Curl trains Hamstrings as primary movers (counted as 1.0 hard set per set) and Calves as secondary synergists (counted as 0.5 hard set per set).

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

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

Machine · HAMSTRINGS

Machine Seated Leg Curl — Muscles Worked & RPE Load Guide

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

Machine Seated Leg Curl targets Hamstrings as primary movers (1.0× set credit) alongside Calves (0.5× synergist credit). Cam-matched resistance across sticking points.

Primary Movers (1.0×)

Hamstrings

Full 1.0 hard-set credit per set

Secondary Synergists (0.5×)

Calves

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
Hamstrings	Primary (1.0× set)	85%	4–16 sets/wk (MRV 20)	2–4x / week · Evidence
Calves (Gastrocnemius & Soleus)	Secondary (0.5× set)	15%	8–16 sets/wk (MRV 20)	2–4x / week · Evidence

Machine Seated Leg Curl Worked Wathan RPE Prescription Table (kg)

Worked kg values computed for Machine Seated Leg Curl using a worked 180.0 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 (89%)	0 kg (86%)	0 kg (86%)	0 kg (83%)	0 kg (81%)
5 reps	0 kg (83%)	0 kg (81%)	0 kg (81%)	0 kg (81%)	0 kg (78%)
8 reps	0 kg (75%)	0 kg (75%)	0 kg (75%)	0 kg (72%)	0 kg (72%)
10 reps	0 kg (72%)	0 kg (72%)	0 kg (69%)	0 kg (69%)	0 kg (67%)
12 reps	0 kg (69%)	0 kg (67%)	0 kg (67%)	0 kg (67%)	0 kg (64%)

Strong, Hevy & French/English CSV Import Labels

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

Machine Leg Curl Machine Seated Leg Curl hamstring curl ischios machine assis leg curl leg curl assis leg curls machine leg curl seated leg curl seated leg curl machine

Taken-Rack Substitutes & Biomechanical Swaps

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

Machine Lying Leg Curl (100% overlap) Nordic Curls (100% overlap) Compare Swap: Machine Seated Leg Curl vs Nordic Curls → Standing Leg (Hamstring) Curl (100% overlap) Compare Swap: Machine Seated Leg Curl vs Standing Leg (Hamstring) Curl →

Verified Peer-Reviewed Literature (PubMed & DOI)

Peer-Reviewed Paper	Author & Journal	External Reference
Myoelectric activity and improvements in strength and hypertrophy are unaffected by the ankle position during prone leg curl exercise - a within person randomized trial.	Cadeo (2023) · European journal of sport science	PubMed 37194431 ↗
Less time, same gains: Comparison of superset vs. traditional set training on muscular adaptations	Burke (2025) · doi.org	DOI ↗
Influence of exercise order on maximum strength and muscle volume in nonlinear periodized resistance training.	Spineti (2010) · Journal of strength and conditioning research	PubMed 20938358 ↗

17-Muscle Fractional Recruitment & Weekly MEV–MRV Landmarks

Machine Seated Leg 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 Seated Leg Curl 1RM & Weekly Muscle Volume