cervical triangle muscles

Question 1

Ant scalene- O,I,In,A

Answer 1

O- ant tub of tvp 3-6

I- Scalene tub of 1st rib

IN- APR c3-6

A-flec and lat bends neck, elevates 1st rib

Question 2

Middle scalene- O, I, IN, a

Answer 2

O- post tub of tvp c2-7

I- 1st rib upper surface

IN- APR c3-8

A- lat flex neck, elevates 1st rib

Question 3

Post scalene- O, I, IN, A

Answer 3

O- post tub of TVP c4-6

I- 2nd rib outer surface

IN- APR 6-8

A- lat fllexes neck, elevates 2nd rib

Question 4

SCM- O, I, IN, A (bi/uni)

Answer 4

O- mastoid process, lat 1/2 sup nuchal line

I- Clavical ( middle third), Mandibrium (ant)

IN- acessory nerve (c1-4)

A- Bi- flexes head
UNI- ipsilat flex with contralateral head flex

Question 5

Omohyoid inf belly- O, I, In, A

Answer 5

O- intermediate tendon to sup belly of hyoid bone

I- Sup scapular boder (med to notch)

IN- Ansa cervicalis (c2,3)

A- depresses hyoid bone