Origins and Insertions Back Muscles

Question 1

Name all 3 Trapezius Muscle Origins

Answer 1

Occipital Bone
Nuchal Ligament
Spinous Process C7-T12

Question 2

Name all 3 Trapezius Muscle Insertions

Answer 2

Posterior Border of the Lateral third of the Clavicle
Acromion Process
Spine of Scapula

Question 3

Name all Actions performed by the Trapezius

Answer 3

Rotation
Retraction
Elevation
Depression

Question 4

Name all 3 Deltoid Muscle Origins

Answer 4

Anterior border of the later third of the Clavicle
Acromion Process
Spine of the Scapula

Question 5

Name the Deltoid Muscle Insertion point

Answer 5

Deltoid Tuberosity of the Humerus

Question 6

Name all Actions performed by the Deltoid

Answer 6

Abduction
Rotation
Flexion
Extension

Question 7

Name all 4 Latissimus Muscle Origins

Answer 7

Spinous Process T7-L5
Thoracolumbar Fascia
Iliac Crest
Inferior Angle of Scapula 
Inferior 3 or 4 Ribs

Question 8

Name the Latissimus Dorsi Muscle Insertion

Answer 8

Floor of Inter-tubercular Grove within the Humerus

Question 9

Name the Actions performed by the Latissimus Dorsi Muscle

Answer 9

Adduction
Lateral Extension
Internal Rotation of the Arm

Question 10

Name all 3 Muscles found within the Erector Spinae

Answer 10

Iliocostalis
Longissimus
Splenius

Question 11

Name the Actions Performed by the Iliocostalis Muscles

Answer 11

Lateral Extension

Lateral Flexion

Question 12

Name all 3 Muscles that make up the Longissimus Muscle group

Answer 12

Capitis
Cervicis
Thoracic

Question 13

Name all Actions Performed by the Longissimus Muscle Group

Answer 13

Extension and Flexion of Spine

Rotation of Head

Question 14

Name all 2 Muscles that make up the Splenius Muscle Group

Answer 14

Splenius Capitis

Splenius Cervicis

Question 15

Name all Actions Performed by the Splenius Muscle Group

Answer 15

Extension and Rotation of the Head