Hip Anatomy Review Mr. Brewer

Bones Label this diagram of the Pelvis Answers on next slide

Answers to Diagram 1.Sacrum 2.Ilium 3.Ischium 4.Pubis 5.Pubic Symphysis 6.Acetabulum 7.Obturator Foreman

Bones 1.The Sacrum is made up of ______ fused vertebrae? Answer: 5 2. The ______________ is also known as the “tail bone”, and is just distal to the sacrum. Also made up of 3-5 vertebrae. Answer: Coccyx 3.What are the 3 bones that fuse together to make up what is called the pelvis. Answer: Ilium, Ischium and Pubis

Hip Joint The union of what bones makes up the “Hip Joint”? Answer: Femur and Pelvis *Femur inserts to the acetabulum of the hip and therefore forms a joint with the Ischium, Ilium and Pubis bones.

Bone Structures 1.This is formed by all three of the fused hip bones(Ilium, Ischium and Pubis), and is “cup-like” in shape to hold the femur in place at the hip. Answer: Acetabulum 2.This sits on the interior surface of the structure from question #1. It’s role is to absorb shock, like the meniscus in the knee. Answer: Acetabular Labrum 3. The upper edge of the pelvis (ilium bone) is known as the ________ _________. * The PSIS is the most distal part of this structure, and the ASIS is the most anterior part of this structure.* Answer: Iliac Crest 4.The piece of cartilage that separates the right pubis bone from the left pubis bone. Answer: Pubic Symphysis 5.What is the one ligament at the hip that actually has space for blood to travel through to allow nutrients to reach the head of the femur. Answer: Ligamentum Teres

Passage Ways 1.Little Holes or “openings” in bones, such as the sacrum, are referred to as _______________. They are present to allow blood vessels and nerves to pass through. Answer: Foramen 2. The adductor ________________ is formed by the gracilis and adductor magnus muscles at the distal aspect of the femur to allow blood vessles and nerves to travel down to the lower leg. Answer: Hiatus 3. The ____________ triangle is a space formed by the inguinal ligament, along with some other muscles, and is a place where nerves and blood vessels can travel. Answer: Femoral 4. The ________________ ________________ is an “opening” formed by the Ischium and pubis bones, and allows nerves and blood vessels to pass through. Answer: Obturator Foramen

Miscellaneous 1.These two muscles both insert distally to the IT Band? Answer: Gluteus Maximus and the Tensor Fasciae Latae. 2.This muscle is the longest muscle in the body, and attaches to the ASIS. Answer: Sartorius 3. This muscle is the only quadricep muscle to cross the hip AND knee joints, it also attaches to the AIIS. Answer: Rectus Femoris 4.This muscles is the only “adductor” muscle to cross both the knee and the hip joints. It also helps form the adductor hiatus. Answer: Gracilis

Muscle and their Actions Name 4 Hip Flexors: 1.Iliacus 2.Psoas 3.Pectineus 4.Rectus Femoris Name 4 Hip Adductors: 1.Adductor Longus 2.Adductor Magnus 3.Adductor Brevis 4.Gracilis Name 4 Hip Extensors: 1.Biceps Femoris 2.Semitendinosus 3.Semimembranosus 4.Gluteus Maximus Name 3 Hip ABductors: 1.Gluteus Medius 2.Tensor Fasciae Latae (TFL) Name an inward (medial) rotator of the femur: 1.Gluteus Minimus Name 6 outward (lateral) rotators: 1.The 6 lateral rotators (you don’t need to know them by name) Name the muscle that makes a figure-4 shape, and uses Hip Flexion and Hip Lateral Rotation. 1.Sartorius

Muscles by Name List the following groups of muscles from LARGEST to SMALLEST: 1.Gluteus Muscles(Glute Med, Glute Min, Glute Max) Gluteus Maximus Gluteus Medius Gluteus Minimus 1.Adductor Muscles(Adductor Brevis, Adductor Longus, Adductor Magnus) Adductor Magnus Adductor Longus Adductor Brevis