Essential Yoga Body Parts

Quads / Quadriceps Femoris and Yoga

Posted on 2019-05-20


Anatomy of the Quadriceps - Essential yoga body parts


Your quadriceps femoris is one of the largest muscles in your body and it's one of my favorites too. This familiar muscle is located on the front of the thigh, and it conducts most of our knee movements together with the hamstrings. 


The quadriceps femoris consists of four different parts. These parts include the vastus medialis, the vastus lateralis, the vastus intermedius, and the rectus femoris. All of these components work together to straighten the knee.


The quadriceps femoris forms part of the fascia, a connective tissue that extends throughout the entire body. Since the fascia can inhibit movement as a result of inflammation due to repetitive sports like running and cycling, the quads can be affected. Fortunately, yoga is an effective fascial release method. 


Vastus Medialis

This section of the quads has its origin at the upper two-thirds of the femur. The vastus medialis is located on the inner side of the thigh and gives the upper leg on this side its typical appearance. 


Vastus Lateralis

The vastus lateralis is located on the opposite side of the vastus medialis and originates at the upper, and lateral side of the femur. 


Vastus Intermedius 

This section of the quads is located between the vastus medialis and vastus lateralis on the front of the thigh. The origin of this muscle is the upper and lateral section of the thigh. 


Rectus Femoris

This part of the quadriceps originates from higher up on the leg on the anterior inferior iliac spine which is located to the front of the pelvis. From the anterior inferior iliac spine, this muscle passes to the front of the thigh where it inserts on the top of the vastus intermedius. 

The rectus femoris is a two-joint muscle that influences both the hip joint and the knee. It works in collaboration with the psoas to flex the hip, that's why many times as you work to strengthen your hip flexors you will feel your quads burning. 


Quadriceps and the Hamstrings

In the body, muscles tend to work in pairs. Quadriceps and hamstrings work together to create knee movement.

As you contract your quads the leg straightens (knee extension) and as you contract your hamstrings the leg bends (knee flexion). These two groups of muscles create something called co-contraction, this means that as you move into a forward fold and engage your quads, your hamstrings will not only stretch but they will also engage/contract.

Your hamstrings contracting as they are being stretched is a wonderful thing because it's known from movement science that contracting muscles during a stretch is a great way to increase flexibility.

Pic from body anatomy

Length and Strength

If you practice yoga, your primary objectives with your quadriceps femoris, as is the case with other muscle groups, is to strengthen and lengthen the muscles to increase flexibility, reduce the risks for injuries, and carry out your poses more gracefully and effortlessly. 

Quad stretches yoga poses should be completely comfortable, and you shouldn’t have to experience any pain at all. As you hold a stretch, the feeling of tightness should either stay the same or fade. If the sense of tightness increases, you’re stretching too hard, and you may be running a risk of injury. 

There are several quad stretches for sore quads and stiff thigh muscles. If you want to stretch the rectus femoris, you have to find hip extension and knee flexion. Asanas like the back leg of Dancer’s pose will stretch your rectus femoris. You can also consider the back lunge with your back foot pulled closer to your bottom. 

If you want to stretch your vastus medialis, vastus lateralis, or vastus intermedius one of the best quad stretches yoga pose is the Child’s Pose. During this posture, the vasti will experience sufficient lengthening while achieving hip flexion with knee flexion as well. 

Childs pose for quadstretch


Yoga Poses to Strengthen Quadriceps 

When it comes to strengthening your quadriceps femoris, you have a lot of options at your disposal. You can even include quad stretches yoga with your strengthening postures. 

All standing poses where you hold your knee flexed will increase the strength of your quad. These poses include, among others, the Warrior I, Warrior II, Parsvokanasa, and High Lunges. 

You can also do concentric and eccentric work to increase the strength of your quads. One of the most effective ways to do eccentric work is to deepen a high lunge by lowering yourself until your back knee touches the floor. After your knee touches the floor, straighten both knees and return to your original position. Straightening the knees constitutes the concentric part of your quad workout. 

Repeat this movement as many times as you can.

Another effective way to increase the strength of your quads is with squats. If you prefer yoga poses or asanas, the Chair Pose is perfect for quadriceps femoris strengthening. Standing up from the squats is perhaps the part that works your quad muscles the most. 

warrior 2

Conclusion

Strengthening and lengthening your quads can have a profound influence on your yoga practice. Take some time to understand the underlying mechanism and anatomy of your quadriceps, and don’t ignore this muscle group while you’re working out. 

Equally important: do not overwork your quads as you may injure yourself or find yourself with sore legs the following day.

Works Cited

Keil, D. (2014, July 20). The Quadriceps Muscles. Retrieved from www.yoganatomy.com: https://www.yoganatomy.com/quadriceps-muscles

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