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Scapular movement
muscles of scapular movement
| Question | Answer | Answer | Answer | Answer | Answer | Answer | Answer |
|---|---|---|---|---|---|---|---|
| What are the nerves for Trapezius? | spinal accessory nerve (cranial nerve XI) | third and fourth cervical nerve | |||||
| Which muscle is as known as the "coat hanger" muscle because clothes hang for it as they do on a coat hanger? | trapezius | ||||||
| Which muscle was once call "musculus cucullaris", because it resembles a monks hood? | trapezius | ||||||
| What is the origin of Levator Scapulae? | transverse processes of C1-C4 | ||||||
| What is the insertion of Levator Scapulae? | medial border of the scapula (superior angle to the root of the spin) | ||||||
| What are the actions of Levator Scapulae? | elevates the scapula | downwardly rotates the scapula | laterally flexes the neck | ||||
| What are the nerves for Levator Scapulae? | dorsal scapular nerve | cervical nerve | |||||
| Which muscle is the only neck muscle that moves the scapula? | levator scapulae | ||||||
| What is the origin of Rhomboids Major? | spinous process of 't2-T5 | ||||||
| What is the origin of Rhomboids Minor? | spinous process of C7-T1 | ||||||
| What is the insertion of Rhomboids Major? | medial border of the scapula to inferior angle | ||||||
| What is the insertiond of Rhomboids Minor? | medial border of the scapula from the root of scapular spine | ||||||
| Which two muscles are known as the "Christmas tree" muscle because their fibers run obliquely like the branches of a Christmas tree? | Rhomboids Minor | Rhomboids Major | |||||
| What are the origins of Trapezius? | external occipital protuberance | superior nuchal lines | nuchal ligament | spinous processes of C7-T12 | superspinous ligament of C7-T12 | ||
| What are the insertions of Trapezius? | lateral third (1/3) of the clavicle | acromion process | scapular spine | ||||
| What are the nerves for Trapezius? | spinal accessory nerve | third and fourth cervical nerve | |||||
| What is the origin for Levator Scapulae? | transverse processes of C1-C4 | ||||||
| What is the insertion of Levator Scapulae? | medial border of the scapula, superior angle to the root of the spine | ||||||
| What are the actions of Levator Scapulae? | elevates the scapula | downwardly rotates the scapula | laterally flexes the neck | ||||
| What are the nerves for Levator Scapulae? | dorsal scapular nerve | cervical nerves | |||||
| Which is the only neck muscle to move that scapula? | levator scapulae | ||||||
| What is the origin for Serratus Anterior? | ribs 1 through 9 (lateral costal cartilage) | ||||||
| What is the insertion of Serratus Anterior? | anterior medial border of the scapula | ||||||
| What are the actions of Serratus Anterior? | protracts the scapula | upwardly rotates the scapula | depresses the scapula | ||||
| What is the nerve for Serratus Anterior? | long thoracic nerve | ||||||
| Along with the triceps branchii, which muscle is also known as the "boxers muscle"? | serratus anterior | ||||||
| Which muscle is an antagonist to the rhomboids? | serratus anterior | ||||||
| Full or partial paralysis of what muscle causes "winged scapula"? | serratus anterior | ||||||
| What is the origin of Pectoralis Minor? | ribs 3 through 5 (lateral to costal cartilage) | ||||||
| What is the insertion of Pectoralis Minor? | coracoid process of the scapula | ||||||
| What are the actions of Pectoralis Minor? | depresses the scapula | protracts the scapula | downwardly rotates the scapula | assists on forces inspiration (elevates ribs) | |||
| What is the nerve for Pectoralis Minor? | medial pectoral nerves (C8 and T1) | ||||||
| Which muscle along with scalenes is known as the "nerovascular entrapper"? | pectoralis minor | ||||||
| Which muscle are responsible for scapular elevation? | trapezius (upper fibers) | levator scapulae | |||||
| Which muscles are responsible for scapular depression? | trapezius (lower fibers) | serratus anterior | pectoralis minor | ||||
| Which muscles are responsible for scapular downward rotation? | levator scapulae | rhomboids | pectoralis minor | ||||
| Which muscles are responsible for scapular protraction? | serratus anterior | pectoralis minor | |||||
| Which muscles are responsible for scapular retraction? | trapezius (mid fibers) | rhomboids | |||||
| What are the origins of Trapezius? | external occipital protuberance | superior nuchal lines | nuchal ligament | spinous processes of C7-T12 | supraspinous ligament of C7-T12 | ||
| What are the insertions of Trapezius? | lateral third (1/3)of the clavicle | acromion process | scapular spin | ||||
| What are the actions of Trapezius? | extends the neck and head (upper fibers) | elevates the scapula (upper fibers) | upwardly rotates the scapula (upper fibers) | retracts the scapula (middle fibers) | depresses the scapula (lower fibers) | laterally flexes the neck (unilateral contraction) | rotates the head (unilateral contraction) |
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