<p>It’s easy to take for granted all the ways your leg muscles stretch, flex, and work together to enable you to go about your daily life. Whether you walk, stand, sit, or run, it’s due to the work and coordination of your 10 major leg muscles as well as many smaller muscles and tendons. You may not think about your leg muscles until you experience leg pain, which is often due to muscle strains or cramps. Other conditions, like nerve problems or narrowed arteries, can also cause your legs to hurt, especially when you’re moving around. Let’s take a closer look at the muscles in your upper and lower leg, as well as the types of conditions that are the most common causes of thigh or calf pain. What are the muscles in your upper leg? There are two main muscle groups in your upper leg. Your quadriceps. This muscle group consists of four <a href="https://www.wonderhowto.com/search/muscles/">muscles</a> in the front of your thigh which are among the strongest and largest muscles in your body.</p><br/><br/><span style="display:block;text-align:center;clear:both"><iframe width="640" height="360" src="https://www.youtube.com/embed/89SrkaiVyRo?showinfo=0" frameborder="0" allowfullscreen title="SENIORS, JUST 1 Daily Habit To Restore Muscle Strength Like You're 40 Again! - Arnold Schwarzenegger (c) by N/A"></iframe></span><p>They work to straighten or extend your leg. Your hamstrings. This muscle group is located in the back of your thigh. The key job of these muscles is to bend or flex the knee. Vastus lateralis. The largest of the quadriceps muscles, it’s located on the outside of the thigh and runs from the top of your femur (thighbone) down to your kneecap (patella). Vastus medialis. Shaped like a teardrop, this muscle on the inner part of your thigh runs along your thighbone to your knee. Vastus intermedius. Located between the vastus medialis and the vastus lateralis, this is the deepest quadriceps muscle. Rectus femoris. Attached to your hip bone, this muscle helps to extend or raise your knee. It can also flex the thigh and hip. The three main muscles in your hamstrings run from behind your hip bone, under your gluteus maximus (buttocks), and down to your tibia (shinbone). Biceps femoris. Extending from the lower part of your hip bone down to your shinbone, this double-headed muscle helps to flex your knee and extend your hip.</p><br/><br/><p>Semimembranosus. Running from your pelvis down to your shinbone, this long muscle extends your thigh, flexes your knee, and helps rotate your shinbone. Semitendinosus. Located between the other two hamstring muscles, this muscle helps extend your hip and rotate both the thigh and shinbone. What are the muscles in your lower leg? Your lower leg is the portion between your knee and  Titan Rise Male Enhancement your ankle. The main muscles of your lower leg are located in your calf, behind the tibia (shinbone). Gastrocnemius. This large muscle runs from your knee to your ankle. It helps extend your foot, ankle, and knee. Soleus. This muscle runs down the back of your calf. It helps to push you off from the ground when you’re walking and also helps stabilize your posture when you’re standing. Plantaris. This small muscle is located behind the knee. It plays a limited role in helping to flex your knee and ankle and is absent in about 10 p

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