A Guide to Hip Anatomy

The hip joint designates where the hip attaches the legs to the spine of the body. The femur, or thighbone, and the pelvis, which consists of the three bones known as the ilium, ischium, and pubis, are the two bones that make up this structure.

Hip bones and joints anatomy

The hip cup's sphere is made up of the femoral head, while the sockets are made up of the acetabulum. The ilium, ischium, and pubis meet at the acetabulum, which is a deep, rounded socket formed on the pelvic rim. While the ischium is significantly lower than the pubis, it connects to the lower portion of the ilium. Stabilization is provided by the hip joint's capsule, or acetabulum, as well as the tendons and ligaments that surround and support the hip joint.

The acetabulum rotates and moves the femoral head inside of it. The fibrocartilage labarum, which is attached to the acetabulum, increases the thickness of the sockets.

One of the longest bones in the human body is the femur. The upper portion of the thigh bone is made up of the femoral head, femur neck, and the bigger and smaller trochanters. When the femur's tip enters the pelvis, the hip joint is created. Near the femur neck, the bigger and smaller trochanters serve as places of muscle attachment.

The body's muscle mass and bones are covered in articular cartilage, which is a thin, sturdy, flexible, and sliding coating that is lubricated by synovial fluid. It removes friction and enables smooth bone action.

Hip ligament anatomy

Connective tissues are fiber structures that link bones together. Ligaments wrap the hip joints to offer support by generating thick fiber tissue surrounding the joint capsules. The ligaments that surround the hip joint involve −

  • The pelvis and a femur cap are connected by the iliofemoral ligament, a Y-shaped ligament in the front of the joints. It assists in avoiding excessive hip extension.

  • The pubofemoral ligament, a triangle-shaped ligament, joins the iliofemoral ligament to the upper portion of the pubis. It joins the distal femur and pubic bone.

  • Strong fibres that originate from the ischium beneath the acetabulum and unite with joint capsule fibres to form the ischiofemoral ligament.

  • Tiny ligaments called ligamentum teres connect the acetabulum to the apex of the femur. It possesses a tiny artery that supplies blood to a section of the femur cap despite having no role in hip mobility.

  • The acetabular labrum is a ring of fibrous tissue that surrounds the joint. By making the hollow deeper, it improves the hip joint's strength and integrity.

Hip muscles and tendons anatomy

The ball and socket action is regulated by multiple powerful tendons that connect to the joints. The muscles you're most familiar with are the glutes hat is gluteal muscles, which are the massive, powerful muscles that link to the rear of the hips and form the buttocks.

The glutes join the superior trochanter; these muscles assist in keeping the pelvis and chest upright, so you don't tumble down ultimately, and help people in walking. Over the front of this covering of muscle is the iliotibial band, which extends along the leg from the brim of the pelvis across the hip joint.

The iliotibial band is a long tendon to which several tissues in the hips and thigh connect, which can lead to hip discomfort if it gets overly stiff or overworked.

Additional muscles in the hip include

  • The groups of two muscles are located on the inner of the thigh.

  • The iliopsoas muscle is a hip extensor that connects to the top thigh bone.

  • Rectus femoris is a quads muscle located on the front of the leg.

Muscles are essential for the function and well of the hips. All those muscles collectively allow you to move the hip while maintaining your body steady and erect. The overarching guideline for avoiding hip discomfort is maintaining flexibility and muscle tone.

Hip nerves anatomy

To aid in hip movement, hip nerves communicate with the tissues on behalf of the brain. Additionally, they send the brain sensory information about touch, pain, and heat.

The main nerves in the hip region are the sciatic nerve in the back and the femoral neuron at the head of the femur. A smaller nerve called the obturator neuron also feeds the hip.

The lower limbs receive blood from blood vessels rather than these neurons. The femoral artery, one of the body's major blood veins, begins deep in the pelvis and may be reached before the top thigh.

Regions of Pain

Hip discomfort can be caused by a variety of factors, including −

  • Muscle tension

  • Break of a bone

  • Tendinitis\Arthritis

  • Hip bone projections or even other hip deformities

Parsley also sees some individuals with hip tendonitis. Bursae are little fluid-filled bags that function as cushioning in areas of the anatomy where tendons, bones, and ligaments rub together and get irritated or injured due to an accident or disease.

When having surgery!

Doctors would obtain an X-ray with a specific marking before conducting the procedure. This allows doctors to determine the volume and placement of the devices used in operation.

After the hip restoration operation, the doctor will replace the top section of the thigh bones, containing the femoral head and a portion of the femur neck. This enables your surgeon to enter the hip socket and conduct operations. To allow a metallic hip socket element to be inserted into your pelvic bone, deteriorated tissue in the hip socket and a portion of the bone overhead are replaced. The top section of the thigh bone would then be uncovered, and a series of instruments known as broaches are implanted each at a period to condition the thigh bones for inserting a steel stem.

Trochanteric tendinitis is among the most excellent prevalent types of bursitis, although there are bursae in different regions of the joint. Another is located underneath the iliopsoas muscles on the back of the hip, for instance.


Because the hip is a complex system, hip pain can arise from various locations inside the joint. Knowing the structure of the hips will help you identify your discomfort and collaborate with the physician to prevent it without restricting your life.