Cable Curl
Expert Advice
Keep your elbows close to your torso and avoid swinging to maintain strict form and bicep isolation.
How-to-do Steps
- Stand facing the cable machine with the pulley set low and the bar attached.
- Grab the bar with an underhand grip, hands shoulder-width apart.
- Curl the bar up towards your chest, keeping your elbows stationary.
- Squeeze your biceps at the top of the movement.
- Slowly lower the bar back to the starting position.
- Repeat for the desired number of repetitions.
Track Cable Curl in FitAI
Log your sets, reps, and weights automatically. Get AI-powered progressive overload recommendations and form feedback — personalized to your training history.
Muscles Worked
Cable Curl primarily targets the Biceps, with Strength mechanics using Cable. Understanding muscle activation patterns helps you focus on proper engagement and maximize training effectiveness.
Primary

Biceps70%
Secondary

Forearms30%
Equipment
Cable

Exercise Type
Strength
Sets & Reps Guidance
Beginner3 x 10-12
Intermediate4 x 8-10
Advanced4 x 6-8
Frequently Asked Questions
What does Cable Curl work?
This exercise directly targets your biceps, with secondary activation in your forearms. It is one of the most popular biceps exercises in the gym and uses a cable.
What is the most common mistake with Cable Curl?
The biggest mistake is swinging the weight with momentum instead of curling with controlled form. Slow down, focus on feeling the biceps work through the full range of motion, and use a weight or difficulty level you can actually control.
How many sets and reps should I do for Cable Curl?
Start with 3 sets of 10 to 15 reps. If the exercise works one side at a time, do 10 to 15 reps per side. Rest 30 to 60 seconds between sets. Pick a weight that makes the last 2 to 3 reps feel challenging but doable with good form. Track your sets in the FitAI app to make sure you are progressing over time.
What can I do instead of Cable Curl if I don't have a cable?
You can substitute a resistance band anchored to a door frame or sturdy object and still target your biceps effectively. The key is keeping the same movement pattern and range of motion. The resistance source matters less than how you control the movement.