You Won’t Believe What’s INSIDE Your Penis (2 Muscles & 3 Nerves!)

Dr. Anne
Dr. Anne

Hi!

I'm Dr. Anne Truong, MD

Dr. Anne Truong is a highly respected physician, best-selling author and internationally sought-after speaker on the topics of regenerative cell medicine, pain management, and applications for aesthetics and sexuality.

Have you ever wondered what really goes on inside your penis? In this podcast, we will dive into the surprising details of the penis, explaining how different types of muscles work together. It's more than just meets the eye!

We'll explore the parts of the penis and how they all work together to give you an erection. You'll also learn how this system affects your sexual health and get tips for keeping things working smoothly.

Tune in to learn how different factors affect erections and get practical tips for a healthy sex life.

Episode Video


Exploring the Smooth Muscle and Skeletal Muscle in the Penis

Did you know that the penis is composed of both smooth muscle and skeletal muscle? It's not just one kind of muscle, but a combination of two. You might think of muscles as the ones you can control, like your biceps, and that's right, your manhood has some of those too. But it also has another kind of muscle that works automatically. These two types work together to keep everything functioning smoothly.

The Connection Between Abdominal Muscles and Penis Function

Recent studies show a surprising link between your abdominal muscles and your penis. The flat band of tissue in your abdomen, called the linea alba, connects to the penis. This means that having strong abs might actually help with erections. So, working on your core strength can be a great way to improve your overall sexual health.


Anatomy of the Penis

Anatomy of the Penis

To understand how the penis functions, it’s helpful to look at its anatomy. The penis contains the corpus cavernosum and corpus spongiosum, which are primarily made up of smooth muscle. The corpus cavernosum extends along the pubic bone and looks like two legs forming a "V" shape. On the other hand, two layers of the tunica albuginea wraps around these muscles, which are essential for maintaining the firmness of an erection.

Additionally, the penis has skeletal muscles, specifically the ischiocavernosus and bulbospongiosus muscles. The ischiocavernosus muscle assists in firming the erection by contracting the crura of the corpus cavernosum, while the bulbospongiosus muscle, which wraps around the base, plays a key role in ejaculation.

Difference Between Smooth Muscle and Skeletal Muscle

Smooth muscles, like those found in the corpus cavernosum and corpus spongiosum, are controlled involuntarily by the autonomic nervous system. This means you cannot consciously control these muscles. In contrast, skeletal muscles, such as the ischiocavernosus and bulbospongiosus, are under voluntary control, meaning you can consciously contract and relax them.


The Role of Nerves in Penis Function

Three different nerves work together to make the penis function. Some nerves, called parasympathetic nerves, help a man get an erection. In addition, other nerves, called sympathetic nerves, are involved in releasing sperm. Finally, there's the dorsal nerve, which lets a man feel sensations in his penis. This whole system of nerves and muscles working together shows how well-designed the penis is for its job.

Impact of Health Conditions on Penis Function

Many things can affect your ability to get an erection, including health problems like diabetes. This is because diabetes can damage nerves and muscles. Even just getting older can make erections weaker. This happens because tissues like the tunica albuginea and smooth muscle change over time. But there are things you can do to keep your sexual health in top shape. These include such as eating a healthy diet, exercising regularly, getting enough sleep, and managing stress.


Final Thoughts

The penis is a complex organ composed of both smooth muscle and skeletal muscle, with its function deeply interconnected with abdominal and pelvic muscles. Understanding this intricate anatomy and the roles of different muscles and nerves can provide valuable insights into maintaining sexual health. By taking care of your overall health, you can positively influence the function and health of your penis.


Additional Resources

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