Axial Skeleton Muscle Origin Insertion

Question 1

What is the origin and insertion for

Sternocleidomastoid

Answer 1

Origin: Manubrium & Medial Clavicle

Insertion: Mastoid Process & Superior Nuchal Line

Question 2

What is the origin and insertion for

Platysma?

Answer 2

Origin: Superior Fascia of Deltoid & Pectoral Regions

Insertion: Inferior Border of Mandible

Question 3

What is the origin and insertion of Scalenus Posterior

Answer 3

Origin: C5-C6 Transverse Process

Insertion: 2nd Rib

Question 4

What is the origin and insertion of

Scalenus Medius?

Answer 4

Origin: C2-C7 Transverse Process

Insertion: 1st Rib

Question 5

What is the origin and insertion of

Scalenus Anterior:

Answer 5

Origin: C3-C6 Transverse Process

Insertion: 1st Rib

Question 6

What are the Infrahyoid Muscles?

Answer 6

1. Sternohyoid
2. Sternothyroid
3. Thyrohyoid
4. Omohyoid

Question 7

What is the origin and insertion of

Sternohyoid

Answer 7

Origin: Manubrium

Insertion: Hyoid Bone

Question 8

What is the origin and insertion of

Sternothyroid

Answer 8

Origin: Manubrium

Insertion: Thyroid Cartilage

Question 9

What is the origin and insertion of

Thyrohyoid

Answer 9

Origin: Thyroid Cartilage

Insertion: Hyoid Bone

Question 10

What is the origin and insertion of

Omohyoid?

Answer 10

Origin: Superior Border of Scapula

Insertion: Hyoid Bone

Question 11

What are the muscles of the face?

Answer 11

1. Frontalis
2. Orbicularis Oculi
3. Orbicularis Oris
4. Buccinator
5. Zygomaticus

Question 12

What is the origin and insertion of

Frontalis

Answer 12

Origin: Epicranial Aponeurosis

Insertion: Skin of eyebrow and Forehead

Question 13

What is the origin and insertion of

Obicularis Oculi

Answer 13

Origin: Medial Orbit- Frontal and Maxillary bones

Insertion: Skin around Orbit

Question 14

What is the origin and insertion of

Orbicularis Oris?

Answer 14

Origin: Fibers from several Facial Muscles

Insertion: Skin & Mucous membrane of lips

Question 15

What is the origin and insertion of

Buccinator

Answer 15

Origin: Posterior Maxilla & Mandible

Insertion: Angle of Mouth

Question 16

What is the origin and insertion of

Zygomaticus

Answer 16

Origin: Zygomatic Bone

Insertion: Angle of Mouth

Question 17

What are the muscles of Mastication?

Answer 17

1. Temporalis
2. Masseter
3. Medial Pterygoid
4. Lateral Pterygoid

Question 18

What is the origin and insertion of

Temporalis

Answer 18

Origin: Temporal Fossa–Temporal, Frontal, Parietal bones

Insertion: Coronoid Process Mandible

Question 19

What is the origin and insertion of

Masseter

Answer 19

Origin: Zygomatic Arch

Insertion: Outer surface of angle & Ramus of Mandible

Question 20

What is the origin and insertion of

Medial Pterygoid

Answer 20

Origin: Lateral Pterygoid Plate & Maxilla

Insertion: Inner Surface of Angle & Ramus of Mandible

Question 21

What is the origin and insertion of

Lateral Pterygoid

Answer 21

Origin: Lateral Pterygoid plate & Greater wing of Sphenoid

Insertion: Neck of Mandible & Articular Disk

Question 22

What are the Suboccipital Muscles?

Answer 22

1. Rectus Capitis Posterior Major
2. Rectus Capitis Posterior Minor
3. Obliquus Capitis Superior
4. Obliquus Capitis Inferior

Question 23

What is the origin and insertion of

Rectus Capitis Posterior Major?

Answer 23

Origin: Axis of Spinous Process

Insertion: Inferior Nuchal Line

Question 24

What is the origin and insertion of

Rectus Capitis Posterior Minor

Answer 24

Origin: Posterior Arch of Atlas

Insertion: Inferior Nuchal Line

Question 25

What is the origin and insertion of Obliquus Capitis Superior

Answer 25

Origin: Atlas Transverse Process Insertion: Occipital Bone

Question 26

What is the origin and insertion of Obliquus Capitis Inferior

Answer 26

Origin: Axis Spinous Process Insertion: Atlas Transverse Process

Question 27

What are the Intrinsic Deep Layer Back Muscles?

Answer 27

1. Semispinalis Thoracis, Cervicis, Capitis 2. Multifidus 3. Rotatores 4. Interspinalis 5. Intertransversarii 6. Quadratus Lumborum

Question 28

What is the origin and insertion of Semispinalis Thoracis

Answer 28

Origin: Lower Thoracic Transverse Process Insertion: Upper Thoracic & Lower Cervical SP

Question 29

What is the origin and insertion of Semispinalis Cervicis

Answer 29

Origin: Upper Thoracic TP Insertion: Cervical SP

Question 30

What is the origin and insertion of Semispinalis Capitis

Answer 30

Origin: Upper Thoracic & Lower Cervical TP Insertion: Occipital bone

Question 31

What is the origin and insertion of Multifidus

Answer 31

Origin: Sacrum, Lower Lumbar, and Lower Cervical TP Insertion: SP of Vertebrae 2-5 Superior

Question 32

What is the origin and insertion of Rotatores Brevis

Answer 32

Origin: Lumber to Cervical TP Insertion: Lumber to Cervical SP of Adjacent Superior Vertebrae

Question 33

What is the origin and insertion of Rotatores Longus

Answer 33

Origin: Lumber to Cervical TP Insertion: Lumber to Cervical SP of Vertebrae two levels Superior

Question 34

What is the origin and insertion of Interspinalis

Answer 34

Origin: Lumber to Cervical SP Insertion: Lumber to Cervical SP of adjacent Superior Vertebrae

Question 35

What is the origin and insertion of Intertransversarii

Answer 35

Origin: Lumber to Cervical TP Insertion: Lumber to Cervical TP of adjacent superior Vertebrae

Question 36

What is the origin and insertion of Quadratus Lumborum

Answer 36

Origin: Upper Lumber TP & 12th Rib Insertion: Iliac Crest

Question 37

What is the origin and insertion of Abdominal Muscles

Answer 37

1. Rectus Abdominis 2. External Oblique 3. Internal Oblique 4. Transverses Abdominis

Question 38

What is the origin and insertion of Rectus Abdominis

Answer 38

Origin: Ribs 5-7 & Xiphoid process Insertion: Pubic Ramus

Question 39

What is the origin and insertion of External Oblique

Answer 39

Origin: Posterolateral Ribs 5-12 Insertion: Illiac Crest, Linea Alba

Question 40

What is the origin and insertion of Internal Oblique

Answer 40

Origin: Iliac Crest & Thoracolumbar Fascia Insertion: Linea Alba, Inferior Ribs

Question 41

What is the origin and insertion of Transverses Abdominis

Answer 41

Origin: - Ribs 7-12 - Thoracolumbar Fascia - Iliac Crest Insertion: -Linea Alba

Question 42

What are the muscles of the Extrinsic Deep Layer of the back?

Answer 42

1. Serratus Posterior: Superior | 2. Serratus Posterior: Inferior

Question 43

What is the origin and insertion of Serratus Posterior Superior

Answer 43

Origin: Lower Cervical & Upper Thoracic Spinous Process Insertion: Upper Ribs

Question 44

What is the origin and insertion of Serratus Posterior: Inferior

Answer 44

Origin: Lower Thoracic and Upper Lumbar SP Insertion: Lower Ribs

Question 45

What are the muscles of the Intrinsic superficial layer of the back?

Answer 45

1. Splenius Capitis | 2. Splenius Cervicis

Question 46

What is the origin and insertion of Splenius Capitis

Answer 46

Origin: Cervical & Upper Thoracic Spine Insertion: Mastoid Process and Superior Nuchal Line

Question 47

What is the origin and insertion of Splenius Cervicis

Answer 47

Origin: Upper Thoracic SP Insertion: Upper Cervical Transverse Process

Question 48

What are the muscles of the intrinsic Intermediate layer of the back?

Answer 48

1. Iliocostalis Lumborum, thoracis, & Cervicis 2. Longissimus Thoracis, Cervicis, & Capitis 3. Spinalis thoracis & Cervicis

Question 49

What is the origin and insertion of Iliocastalis Lumborum

Answer 49

Origin: Iliac Crest Insertion Angles of Lower Ribs

Question 50

What is the origin and insertion of Iliocostalis Thoracis

Answer 50

Origin: Angles of Lower Ribs Insertion: Angles of Upper Ribs

Question 51

What is the origin and insertion of Iliocostalis Cervicis

Answer 51

Origin: Angles of upper ribs Insertion: Lower Cervical TP

Question 52

What is the origin and insertion of Longissimus thoracis

Answer 52

Origin: Lumbar TP Insertion: Thoracic TP an Lower 9 ribs

Question 53

What is the origin and insertion of Longissimus Cervicis

Answer 53

Origin: Upper thoracic TP Insertion: Cervical TP

Question 54

What is the origin and insertion of Longissimus Capitis

Answer 54

Origin: Upper Thoracic and Lower cervical TP Insertion: Mastoid Process

Question 55

What is the origin and insertion of Spinalis Thoracis

Answer 55

Origin: Upper Lumber & Lower Cervical SP Insertion: Upper thoracic SP

Question 56

What is the origin and insertion of Spinalic Cervicis

Answer 56

Origin: Lower Ligamentum Nichae Insertion: Axis SP

Question 57

What are the Anterior and Lateral Neck Muscles?

Answer 57

1. Sternocleidomastoid 2. Platysma 3. Scalenus Posterior 4. Scalenus Medius 5. Scalenus Anterior