Upper Back

Question 0

Latissimus Dorsi

Answer 0

• O: thoracolumbar fascia / iliac crest / inferior angle of scapula / spinal process T7-T12
• I: intertubercular sulcus
• N: thoracodorsal nerve (C6,7)
• V: subscapular a.
• A: adducts, extends, and retracts humerus

Question 1

Trapezius

Answer 1

• O: occipital bone / nuchal ligament / spinal process C7-T12
• I: lateral clavicle / acromion / spine of scapula
• N: spinal accessory nerve (CN XI)
• V: superficial branch of transverse cervical a.
• A: elevate, rotate, retracts scapula

Question 2

Levator Scapulae

Answer 2

• O: spinal process C1-C4
• I: upper medial border of scapula
• N: dorsal scapular nerve (C3,4)
• V: deep branch of transverse cervical a.
• A: raise medial border of scapula

Question 3

Rhomboid Minor

Answer 3

• O: spinal process C7 & T1
• I: medial border of scapula
• N: dorsal scapular nerve (C4,5)
• V: deep branch of transverse cervical a.
• A: retracts and rotates scapula

Question 4

Rhomboid Major

Answer 4

• O: spinal process T2-T5
• I: medial border of scapula
• N: dorsal scapular nerve (C4,5)
• V: deep branch of transverse cervical a.
• A: retracts and rotates scapula