A common quadriceps exercise, the leg extension provides resistance against the extension of the lower leg, thus isolating the quadriceps effectively.
The leg extension can also be performed in an isolateral manner, with each leg working separately, therefore working independently of the other. This results in equal workload for each leg, therefore deducing imbalances in strength and muscle size.
Performing leg extensions
When training for muscular size it is often best to train in a rep range of 6-12 repetitions, although there is often much debate on the optimal rep range. It would be advisable to experiment with different ranges to see which suits you.
- Set correct resistance on machine. Alter machine settings, if necessary.
- Sit on seat, back supported by the rear back pad.
- Place feet beneath the padded lever.
- Grasp handles to the side of the seat for greater stability.
- Extend at the knee to raise lever upwards.
- Once peak contraction is reached, control lever to starting position.
- Repeat for desired amount of repetitions.
Leg extensions courtesy of Fitness Uncovered - Bodybuilding & Fitness
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