Epaxial Muscles of the Back (Some Say I Love Sex So Much)

Question 1

Splenius Capitis Muscle (LOIF)

Answer 1

layer 1-Superficial-Spinotransversalis group;
occipital bone(laterally), C7–T4 ;
Bend head back

Question 2

Splenius cervicis Muscle (LOIF)

Answer 2

Layer 1-Superficial-Spinotransversalis group;
C1-C3, T3-T6;
Bend Neck Back

Question 3

Iliocostalis Muscle

Answer 3

Layer 2- Superficial- Erector Spinae (Lat);
cervix- sacrum Laterally;
Extension, 1-side Lateral flexion

Question 4

Longissimus Muscle

Answer 4

Layer 2 -Superficial- Erector Spinae (Inter)
Lateral Occipital-sacrum
Extension of vertebrae and head

Question 5

Spinalis Muscle

Answer 5

Layer 2- Superficial- Erector Spinae (Medial)
Thorax to lumbar vertebrae
Extension of Vertebral column

Question 6

Semispinalis Muscle

Answer 6

Layer 3- Deep- Transversospinalis
Occipital Bone Medially to Thoracic Vertebrae
Extend head and neck

Question 7

Multifidus Muscle

Answer 7

Layer 4 Deep- Transversospinalis
Cervical Vertebrae to Sacrum (Most Medial)
Extends Vertebral Column