Musculus psoas major

Musculus psoas major

Assessment

Interactive Video

Health Sciences, Biology

University - Vocational training

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial provides an in-depth look at the psoas major muscle, part of the iliopsoas muscle group. It covers the muscle's composition, origin, and attachment points, highlighting its unique origin from the axial skeleton. The tutorial also discusses the nerve associations, particularly the lumbar plexus and femoral nerve, and the clinical relevance of these connections. The functions of the iliopsoas muscle, including hip flexion, posture support, and movement stabilization, are explained, along with its role in lateral and ventral flexion and external thigh rotation.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the psoas major muscle a part of?

The hamstring muscle

The gluteal muscle

The iliopsoas muscle

The quadriceps muscle

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does the psoas major muscle originate from?

The sacrum

The femur

The pelvic ring

The axial skeleton

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which nerve accompanies the psoas major muscle?

Obturator nerve

Sciatic nerve

Femoral nerve

Tibial nerve

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the iliopsoas muscle?

Hip extension

Hip flexion

Knee flexion

Ankle dorsiflexion

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the psoas major muscle contribute to body movement when the thigh is fixed?

It abducts the hip

It extends the knee

It causes lateral flexion of the lumbar spine

It rotates the ankle

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