Podcast
Questions and Answers
Which muscles are located in the lateral aspect of the neck?
Which muscles are located in the lateral aspect of the neck?
- Levator scapulae muscles
- Sternocleidomastoid muscles
- Scalene muscles (correct)
- Trapezius muscles
Which muscles are located in the lateral aspect of the neck?
Which muscles are located in the lateral aspect of the neck?
- Deltoid muscles
- Sternocleidomastoid muscles
- Trapezius muscles
- Scalene muscles (correct)
What is the function of the scalene muscles?
What is the function of the scalene muscles?
- Flexion at the knee
- Adduction at the shoulder
- Accessory muscles of respiration (correct)
- Extension at the neck
Which triangle of the neck do the scalene muscles form part of the floor?
Which triangle of the neck do the scalene muscles form part of the floor?
Which muscle is located deep to the sternocleidomastoid on the lateral aspect of the neck?
Which muscle is located deep to the sternocleidomastoid on the lateral aspect of the neck?
Which triangle of the neck do the scalene muscles form part of?
Which triangle of the neck do the scalene muscles form part of?
What is the function of the scalene muscles?
What is the function of the scalene muscles?
Which is the largest and longest of the three scalene muscles?
Which is the largest and longest of the three scalene muscles?
What is the function of the scalene muscles?
What is the function of the scalene muscles?
Which scalene muscle is located deep to the sternocleidomastoid on the lateral aspect of the neck?
Which scalene muscle is located deep to the sternocleidomastoid on the lateral aspect of the neck?
Which scalene muscle is located deep to the sternocleidomastoid on the lateral aspect of the neck?
Which scalene muscle is located deep to the sternocleidomastoid on the lateral aspect of the neck?
Which muscle is the smallest and deepest of the scalene muscles?
Which muscle is the smallest and deepest of the scalene muscles?
Which is the largest and longest of the three scalene muscles?
Which is the largest and longest of the three scalene muscles?
Which structures pass between the anterior and middle scalene muscles?
Which structures pass between the anterior and middle scalene muscles?
Which scalene muscle is the largest and longest of the three scalene muscles?
Which scalene muscle is the largest and longest of the three scalene muscles?
Which scalene muscle is the smallest and deepest of the scalene muscles?
Which scalene muscle is the smallest and deepest of the scalene muscles?
Which is the smallest and deepest of the scalene muscles?
Which is the smallest and deepest of the scalene muscles?
Which structures pass anteriorly to the anterior scalene?
Which structures pass anteriorly to the anterior scalene?
What is an interscalene block?
What is an interscalene block?
Which structures pass between the anterior and middle scalene muscles?
Which structures pass between the anterior and middle scalene muscles?
What passes between the anterior and middle scalene muscles?
What passes between the anterior and middle scalene muscles?
Which muscles form part of the floor of the posterior triangle of the neck?
Which muscles form part of the floor of the posterior triangle of the neck?
What passes anteriorly to the anterior scalene muscle?
What passes anteriorly to the anterior scalene muscle?
Which structures pass anteriorly to the anterior scalene?
Which structures pass anteriorly to the anterior scalene?
What is the main function of the scalene muscles in patients with respiratory distress?
What is the main function of the scalene muscles in patients with respiratory distress?
What is the function of the scalene muscles in patients with respiratory distress?
What is the function of the scalene muscles in patients with respiratory distress?
What is the function of the scalene muscles in patients with respiratory distress?
What is the function of the scalene muscles in patients with respiratory distress?
What is an interscalene block?
What is an interscalene block?
What is an interscalene block?
What is an interscalene block?
Which muscle is located deepest to the sternocleidomastoid on the lateral aspect of the neck?
Which muscle is located deepest to the sternocleidomastoid on the lateral aspect of the neck?
Which muscle is the most medial of the three scalene muscles?
Which muscle is the most medial of the three scalene muscles?
Which muscle is not part of the scalene group?
Which muscle is not part of the scalene group?
Which artery passes between the anterior and middle scalene muscles?
Which artery passes between the anterior and middle scalene muscles?
Which muscle group is responsible for flexion and rotation of the neck?
Which muscle group is responsible for flexion and rotation of the neck?
Which muscle is the most lateral of the three scalene muscles?
Which muscle is the most lateral of the three scalene muscles?
Which nerve passes anteriorly to the anterior scalene?
Which nerve passes anteriorly to the anterior scalene?
Study Notes
- The scalene muscles are three paired muscles located in the lateral aspect of the neck.
- They form part of the floor of the posterior triangle of the neck.
- The scalenes act as accessory muscles of respiration and perform flexion at the neck.
- The anterior scalene muscle is located deep to the sternocleidomastoid on the lateral aspect of the neck.
- The middle scalene is the largest and longest of the three scalene muscles.
- The posterior scalene is the smallest and deepest of the scalene muscles.
- The brachial plexus and subclavian artery pass between the anterior and middle scalene muscles.
- The subclavian vein and phrenic nerve pass anteriorly to the anterior scalene.
- The scalene muscles are used as 'accessory muscles of respiration' to aid with breathing in patients with respiratory distress.
- The brachial plexus can be infiltrated with local anaesthetic between the anterior and middle scalene muscles for an interscalene block.
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Description
Do you know your scalene muscles? Test your knowledge with our quiz! Learn about the anatomy and function of the anterior, middle, and posterior scalene muscles, as well as their role as accessory muscles of respiration. Discover how the brachial plexus and subclavian artery pass between the scalene muscles and how they can be used for an interscalene block. Take the quiz now and become a scalene muscle expert!
