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Pelvis Stability and Form Closure

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Questions and Answers

What is the purpose of the Modified Trendelenburg test?

To assess the patient's balance

To evaluate the strength of the knee muscles

To measure the flexibility of the hip joint

To diagnose pelvic girdle instability (correct)

In the Modified Trendelenburg test, what is the position of the non-standing leg?

Fully extended at the hip and knee

Extended at the hip and flexed at the knee

Flexed at 45 degrees at the hip and knee

Flexed at 90 degrees at the hip and knee (correct)

What is the term used to describe the condition being tested by the Modified Trendelenburg test?

Pelvic girdle pain syndrome

Pelvic girdle dysfunction

Pelvic girdle weakness

Pelvic girdle instability (correct)

What is the patient's position during the Modified Trendelenburg test?

Standing on one leg Signup and view all the answers

What is the primary function of ridges and grooves in the articular surface of the pelvic girdle?

To provide form stability Signup and view all the answers

What is the significance of the test result in the Modified Trendelenburg test?

A positive result indicates pelvic girdle instability Signup and view all the answers

Which of the following contributes to the stabilization of the pelvis?

Both form stability and force closure Signup and view all the answers

What is the role of muscles, fascia, and ligaments in stabilizing the pelvis?

To generate compression forces Signup and view all the answers

What type of stability is provided by the shape and structure of the joint?

Form stability Signup and view all the answers

What is the ultimate goal of the mechanisms that stabilize the pelvis?

To optimize joint stability Signup and view all the answers

What is observed in the pelvic joints during pregnancy and puerperium in patients with PGP?

A larger motion of the symphysis Signup and view all the answers

What is a characteristic of patients with PGP in terms of pelvic joint motion?

More motion of the symphysis during pregnancy Signup and view all the answers

What is the difference in pelvic joint motion between patients with PGP and those without?

Patients with PGP have more motion of the symphysis Signup and view all the answers

What is the significance of the larger motion of the symphysis during pregnancy and puerperium in patients with PGP?

It is a characteristic of patients with PGP Signup and view all the answers

What is the relationship between the motion of the symphysis and PGP during pregnancy and puerperium?

The motion of the symphysis increases in patients with PGP Signup and view all the answers