Podcast
Questions and Answers
Which muscle is responsible for shoulder elevation and scapula elevation?
Which muscle is responsible for shoulder elevation and scapula elevation?
- Levator scapulae
- Rhomboid major
- Latissimus dorsi
- Trapezius (correct)
Which nerve innervates the teres minor muscle for shoulder joint exorotation?
Which nerve innervates the teres minor muscle for shoulder joint exorotation?
- Dorsal scapular nerve (C4-C5)
- Axillary nerve (C5-C6) (correct)
- Accessory nerve (hersenzenuw XI)
- Thoracodorsal nerve (C6-C8)
Which part of the spine do the spinal processes of the rhomboid major muscle originate from?
Which part of the spine do the spinal processes of the rhomboid major muscle originate from?
- Four upper thoracic vertebrae (correct)
- Upper cervical vertebrae
- Lumbar vertebrae
- Middle and lower thoracic vertebrae
Which muscle is responsible for shoulder adduction and scapula depression?
Which muscle is responsible for shoulder adduction and scapula depression?
Flashcards
Trapezius function
Trapezius function
Elevates the shoulder and scapula.
Axillary nerve (C5-C6)
Axillary nerve (C5-C6)
Innervates the teres minor, enabling shoulder joint exorotation.
Rhomboid major origin
Rhomboid major origin
Originate from the four upper thoracic vertebrae.
Teres major function
Teres major function
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Study Notes
Shoulder Muscles
- The trapezius muscle is responsible for shoulder elevation and scapula elevation.
- The axillary nerve innervates the teres minor muscle, enabling shoulder joint exorotation.
- The rhomboid major muscle originates from the spinal processes of T2-T5.
- The pectoralis major muscle is responsible for shoulder adduction and scapula depression.
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