KIN 100 Final (Lecture 11)

Question 1

Sternocleidomastoid

Answer 1

Or: sternal end of clavicle, manubrium

In: mastoid process

Ac:
bilateral: flexion of head
unilateral: lateral rotation & contralateral rotation

Question 2

Scalenes (all 3)

Answer 2

Or: transverse and costal process C2-C6

In: rib 1

Ac:
bilateral: flexion of head
unilateral: lateral flexion and ipsilateral rotation

Question 3

Splenius capitis

Answer 3

O: C7-T3 spinous processes, nuchal
ligament

I: mastoid process

Actions:
* Bilateral: Extends the neck
* Unilateral: lateral flexion, ipsilateral rotation

Question 4

Splenius cervicis

Answer 4

• O: T3-T6 spinous processes
• I:C1-C3 transverse processes

Actions:
* Bilateral: Extends the neck
* Unilateral: lateral flexion, ipsilateral rotation

Question 5

Erector spinae (3 muscles)

Answer 5

• Iliocostalis
• Longissimus
• Spinalis

Question 6

Intervertebral muscles (3 muscles)

Answer 6

• Rotatores: rotation
• Intertransversarii: lateral flexion
• Interspinales: Extension

Question 7

Multifidus (Christmas tree muscle)

Answer 7

• O: Sacrum & transverse processes
• I: Spinous processes of 3rd superior vertebra
• A:
• Bilateral: extends (strongest extensor)
• Unilateral: contralateral rotation

Question 8

Quadratus lumborum

Answer 8

• O: iliac crest
• I: 12th rib, transverse processes of L1-L5
• A: depresses 12th rib, lateral flexion

Question 9

Longus colli

Answer 9

• O: body of cervical and superior thoracic
  vertebra
• I: transverse processes of superior
  vertebra

Actions:
* Bilateral: flex vertebral column
* Unilateral: ipsilateral rotation

Question 10

Longus capitis

Answer 10

• O: transverse processes of C4-C6
• I: occipital bone

Actions:
* Bilateral: flex vertebral column
* Unilateral: ipsilateral rotation

Question 11

Rectus abdominis

Answer 11

• O: superior pubis
• I: costal cartilages of ribs 5-7, xiphoid process
• A: flexes, compresses abdominal cavity

Question 12

External oblique

Answer 12

• O: external & inferior borders of ribs 5-12
• I: external oblique aponeurosis
• A:
• Bilateral: flexes, compresses,
  depresses ribs
• Unilateral: contralateral
  rotation

Question 13

Internal oblique

Answer 13

• O: thoracolumbar fascia, iliac crest
• I: inferior borders of ribs 8-12, linea alba
• A:
• Bilateral: flexes, compresses,
  depresses ribs
• Unilateral: ipsilateral rotation

Question 14

Transverse abdominis

Answer 14

• O: costal cartilages 7-12 ribs, iliac crest, thoracolumbar fascia
• I: linea alba
• A: compresses abdominal cavity

Question 15

Diastasis recti

Answer 15

• Separation of linea
  alba durring pregnancy

Question 16

Diaphragm

Answer 16

• O: xiphoid process, ribs 7-12 & costal cartilages
• I: central tendon sheet
• A: expands thoracic cavity

Question 17

External intercostals

Answer 17

• O: inferior border of rib
• I: superior border of superior rib
• A: elevate ribs

Question 18

Arteries off the Abdominal aorta (3 of them)

Answer 18

• lumbar artery
• inferior mesenteric
• inferior phrenic

Question 19

Arteries off the Thoracic aorta (3 of them)

Answer 19

• internal thoracic (off brachiocephalic trunk)
• superior phrenic
• intercostal arteries

Question 20

Veins off Superior vena cava (4 of them)

Answer 20

• Hemiaozygos (off brachiocephalic)
• intercostals (off Hemiaozygos)
• Azygos (off superior vena cava)
• internal thoracic (off superior vena cava)

Question 21

Veins off inferior vena cava (2 of them)

Answer 21

• phrenic
• lumbar