Exercise library / Back
45 degree back extension
Back · Machine
Sets, reps and RIR
Sets3 to 4
Reps8 to 12
RIR1 to 2
Machines and cables hold the path for you, so you can work closer to failure than with free weights.
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, Glutes.
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
- Norsk Hyperextension 45 grader
- Svenska Hyperextension 45 grader
- Dansk Hyperextension 45 grader
- Deutsch Hyperextension 45 Grad
- Español Extensión de espalda a 45 grados
- Italiano Iperestensioni a 45 gradi
- Português Hiperextensão a 45 graus
- Русский Гиперэкстензия под углом 45 градусов
- Français Extensions lombaires à 45 degrés
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athlate logs this exercise, keeps the numbers, and tells you what you lifted last time.