Back mm 4

Question 1

Spinalis Capitis, Cervicis, Thoracis

Answer 1

Intermediate layer
Intrinsic
O: SPs of T10-T12
I: SPs of thoracic and skull
INNE: Dorsal Rami

Question 2

Longissimus Capitis

Answer 2

Intermediate layer
Intrinsic
O: Cervicis tendons and articular processes of Cxspine.
I: Mastoid process of temporal bone
INNE: Dorsal Rami

Question 3

Longissimus Cervicis

Answer 3

Intermediate layer
Intrinsic
O: upper thoracic TPs
I:TPs of thoracic and cervical vertebrae
INNE: Dorsal Rami

Question 4

Longissimus Thoracis

Answer 4

Intermediate layer
Intrinsic
O: broad tendon from posterior iliac crest, posterior sacrum, S-I ligament, Supraspinous ligament, sacral and lower lumbar SPs
I: ribs between tubercles and angles
INNE: Dorsal Rami

Question 5

Iliocostalis Cervicis

Answer 5

Intermediate layer
Intrinsic
O: angles of lower ribs
I: Cxspine TPs
INNE: Dorsal Rami

Question 6

Iliocostalis Thoracis

Answer 6

Intermediate layer
Intrinsic
O: angles of lower ribs
I: angles of upper ribs
INNE: Dorsal Rami

Question 7

Iliocostalis Lumborum

Answer 7

Intermediate layer
Intrinsic
O: broad tendon from posterior iliac crest, posterior sacrum, S-I ligament, Supraspinous ligament, sacral and lower lumbar SPs
I: angles of lower ribs
INNE: Dorsal Rami