Podcast
Questions and Answers
What connects the ilium, ischium, and pubis in the acetabulum?
What connects the ilium, ischium, and pubis in the acetabulum?
Which bone is also known as the 'tail bone'?
Which bone is also known as the 'tail bone'?
What is the orientation of the acetabulum in relation to the femoral head?
What is the orientation of the acetabulum in relation to the femoral head?
What borders the pelvic inlet (pelvic brim) posteriorly?
What borders the pelvic inlet (pelvic brim) posteriorly?
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What muscle restricts movement between the sacrum and ilium?
What muscle restricts movement between the sacrum and ilium?
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What is the normal angle of the femoral neck shaft in adults?
What is the normal angle of the femoral neck shaft in adults?
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Where is the highest point in the pelvis located?
Where is the highest point in the pelvis located?
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Which structure serves as the origin of the Sartorius muscle and the Inguinal Ligament?
Which structure serves as the origin of the Sartorius muscle and the Inguinal Ligament?
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What condition is characterized by a 'moth-eaten' appearance and affects the Adductor Longus muscle?
What condition is characterized by a 'moth-eaten' appearance and affects the Adductor Longus muscle?
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Which bone of the hip is known as the 'sit bone' and serves as the origin of hamstrings and BF muscles?
Which bone of the hip is known as the 'sit bone' and serves as the origin of hamstrings and BF muscles?
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What bursitis condition can be caused by prolonged sitting on the Ischiogluteal bursa?
What bursitis condition can be caused by prolonged sitting on the Ischiogluteal bursa?
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Which structure serves as the origin of the Pectineus muscle?
Which structure serves as the origin of the Pectineus muscle?
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What is the center edge angle also known as?
What is the center edge angle also known as?
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Which artery supplies about 80% of the blood to the femoral head?
Which artery supplies about 80% of the blood to the femoral head?
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What degree is considered normal for the Q angle in females?
What degree is considered normal for the Q angle in females?
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What happens to the center edge angle with aging?
What happens to the center edge angle with aging?
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Which condition is associated with a decreased Q angle?
Which condition is associated with a decreased Q angle?
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What type of fracture is most common in the femoral shaft?
What type of fracture is most common in the femoral shaft?
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Study Notes
The Acetabulum
- The ilium, ischium, and pubis fuse together to form the acetabulum, the socket that houses the femoral head.
The Coccyx
- The coccyx, also known as the "tailbone", is the most inferior bone of the vertebral column.
The Femoral Head
- The acetabulum faces laterally, anteriorly, and slightly inferiorly to articulate with the femoral head.
Pelvic Inlet
- The sacrum borders the pelvic inlet posteriorly.
Sacroiliac Joint
- The sacroiliac joint is stabilized by the iliolumbar ligament, which restricts movement between the sacrum and ilium.
Femoral Neck Angle
- The normal angle of the femoral neck shaft in adults is between 120-130 degrees.
Highest Point of the Pelvis
- The iliac crest is the highest point in the pelvis.
The Anterior Superior Iliac Spine (ASIS)
- The ASIS serves as the origin of the sartorius muscle and the inguinal ligament.
Myositis Ossificans
- Myositis ossificans, a condition that causes bone formation within muscle tissue, presents with a "moth-eaten" appearance and affects the adductor longus muscle.
The Ischium
- The ischium, also known as the "sit bone", forms the posterior portion of the acetabulum and serves as the origin for the hamstring muscles and the biceps femoris (BF) muscle.
Ischiogluteal Bursitis
- Prolonged sitting can irritate the ischiogluteal bursa causing pain and swelling, a condition known as ischiogluteal bursitis.
The Pectineus Muscle
- The pectineus muscle originates from the pectineal line of the pubis.
Center Edge Angle
- The center edge angle, also known as the "lateral center-edge angle," is a measurement used to assess hip joint stability.
Femoral Head Blood Supply
- The medial circumflex femoral artery provides approximately 80% of the blood supply to the femoral head.
Q Angle
- The normal Q angle in females is approximately 15-18 degrees.
Age-Related Changes in the Center Edge Angle
- The center edge angle decreases with age, which can lead to instability of the hip joint.
Decreased Q Angle
- A decreased Q angle is associated with genu valgum (knock-knee) and may predispose individuals to patellofemoral joint pain.
Femoral Shaft Fractures
- Transverse fractures are the most common type of fracture in the femoral shaft.
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Description
Explore the anatomy and kinesiology of the hip and pelvis including the innominate bones (Ilium, Ischium, Pubis), Iliac crest, Iliac tubercle, and Iliac spines. Learn about the structures like Acetabulum and their functional significance.
