TETSUCable Concentration Extension (On Knee)
The Cable Concentration Extension (On Knee) is a cable exercise for the upper arms that primarily targets the triceps, with the forearms assisting. Follow the 5 steps below for correct form, with an animated demonstration.
How to do the Cable Concentration Extension (On Knee)
- Sit on a bench or chair with your knees bent and feet flat on the ground.
- Hold the cable handle with your right hand and place your elbow on the inside of your right knee.
- Extend your arm fully, keeping your elbow stationary and close to your knee.
- Pause for a moment at the top, then slowly lower your arm back to the starting position.
- Repeat for the desired number of repetitions, then switch sides.
Common questions
What muscles does the Cable Concentration Extension (On Knee) work?
The Cable Concentration Extension (On Knee) primarily targets the triceps. The forearms work as supporting muscles.
What equipment do I need for the Cable Concentration Extension (On Knee)?
You need a cable machine to perform the Cable Concentration Extension (On Knee).
How many sets and reps of the Cable Concentration Extension (On Knee) should I do?
3 to 4 sets of 10 to 15 controlled reps of the Cable Concentration Extension (On Knee) suits most programs — smaller muscle groups respond well to moderate loads and strict form. Progress by adding reps first, then small weight increments.
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