Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
d. The two pubic bones articulate at the acetabulum.
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7. The Skeletal System
The Pelvic Girdle
Problem L3.5a
Textbook Question
Ms. Hendrix suffered a severe hip fracture that required hip replacement surgery. After an extended recovery period, she is undergoing physical therapy to regain strength and mobility.
Which bone is involved in a hip fracture, and what part of the bone is likely to be fractured?
Verified step by step guidance1
Identify the bone involved in a hip fracture: The hip joint is formed by the articulation of the femur (thigh bone) and the pelvis. In most cases of hip fractures, the femur is the bone that is fractured.
Determine the specific part of the femur that is likely to be fractured: Hip fractures commonly occur in the proximal (upper) part of the femur, near the hip joint. This includes the femoral neck, which is the narrow region just below the ball-shaped head of the femur.
Understand the anatomy of the femoral neck: The femoral neck connects the femoral head to the shaft of the femur and is a critical structure for weight-bearing and mobility. It is particularly vulnerable to fractures due to its narrow shape and the forces exerted during falls or trauma.
Consider the implications of a femoral neck fracture: A fracture in this region can disrupt blood supply to the femoral head, potentially leading to complications such as avascular necrosis (bone tissue death due to lack of blood flow). This is why hip replacement surgery is often necessary.
Relate the fracture to Ms. Hendrix's recovery: After hip replacement surgery, physical therapy focuses on strengthening the surrounding muscles (e.g., gluteal muscles, quadriceps) and improving joint mobility to compensate for the loss of the natural femoral head and neck structure.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Hip Anatomy
The hip joint is formed by the femur (thigh bone) and the acetabulum of the pelvis. Understanding the anatomy of the hip is crucial, as it helps identify which bones are involved in a hip fracture. The femur is the primary bone affected in hip fractures, particularly at the neck or intertrochanteric region.
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Types of Hip Fractures
Hip fractures can be classified into different types, including femoral neck fractures and intertrochanteric fractures. Each type has distinct implications for treatment and recovery. Femoral neck fractures are particularly common in older adults and can lead to complications if not treated promptly.
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Rehabilitation Post-Surgery
After hip replacement surgery, rehabilitation is essential for regaining strength and mobility. Physical therapy focuses on exercises that improve range of motion, strengthen surrounding muscles, and enhance balance. Understanding the rehabilitation process is vital for patients to achieve optimal recovery outcomes.
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