Exercise library / Legs
Jefferson curl
Legs · Dumbbells
Sets, reps and RIR
Sets3 to 5
Reps4 to 8
RIR1 to 3
A heavy multi-joint lift with free weights. Keep a rep or two in reserve on most sets so technique holds.
RIR means reps in reserve: how many you could still have done when you racked it. RIR 2 is two short of failure.
Muscles worked
Primary: Lower back.
Secondary: Hamstrings.
Estimate your one-rep max
Epley's formula, from a set you have actually done. It is an estimate, and it drifts above eight reps, so keep the input between one and twelve.
Enter a set to see the estimate.
What it is called elsewhere
- Norwegian Jefferson curl
- Swedish Jefferson curl
- Danish Jefferson curl
- German Jefferson Curl
- Spanish Jefferson curl
- Italian Jefferson curl
- Portuguese Jefferson curl
- Russian Скручивание Джефферсона
- French Jefferson curl
Related legs exercises
athlate logs this exercise, keeps the numbers, and tells you what you lifted last time.