2 days ago · Understanding which muscles are worked during leg extensions is essential for designing effective lower body workouts and achieving specific fitness goals, such as building …

Sep 13, 2024 · Understanding the specific muscles engaged during leg extensions is key to improving your form, targeting your quads more effectively, and preventing injury. In this guide, …

Instructions for the leg extension exercise. See how the exercise is performed, the proper technique, and which muscles are worked.

Aug 29, 2025 · But before you jump into the movement, it’s important to understand the leg extension muscles worked, the benefits, and how to do them safely without hurting your …

Mar 7, 2025 · The primary muscles recruited during leg extensions are the quadriceps, which consist of four distinct muscles working together to extend the knee. The rectus femoris is the …

The leg extension effectively trains the four muscles of the quadriceps: The rectus femoris, vastus lateralis, vastus medius, and vastus intermedius. This makes it ideal for building muscle in …

Leg extensions are a popular isolation exercise that primarily target the quadriceps muscles, which are located at the front of the thigh. Leg extension exercises typically involve the use of …

Jun 10, 2024 · Simply sit on the machine's padded seat and raise the padded bar with your legs. This particular exercise works mainly the quadriceps muscles of the front of the thigh — the …

The leg extension is an isolation exercise that specifically targets the quadriceps muscles. This guide covers proper technique, variations, and programming strategies for both aesthetic …

Jul 27, 2025 · All four muscles insert on the tibial tuberosity via the patellar tendon (yellow) and act to extend, or straighten, the knee. The three vasti muscles originate from the thigh, …