Back

Question 1

Serratus Posterior superior

Answer 1

Innervation:

2-5th intercostal nerves (Anterior Rami)

Action:

Proprioception for respiration

Question 2

Serratus Posterior inferior

Answer 2

innervation: 9th-11th intercostal nerve (anterior rami)

Action: Proprioception for respiration

Question 3

Splenius capitis

Splenius cervicis

Answer 3

Innervation: Posterior rami of spinal nerves

Action:

laterally flex neck and rotate head to side of active muscles

Extends head and neck together

Question 4

Spinalis
Longissimus
Illiocostalis

Answer 4

Innervation: posterior rami of spinal nerves

Action:

Bilaterally- extends vertebral column
Unilaterally - flexes vertebral column

Question 5

Rectus capitis posterior minor

Answer 5

Attachment: posterior tubercle of C1; occipital bone

Innervation: Suboccipital nerve

Action: Head posture

Question 6

Obliquus capitis inferior

Answer 6

Attachment: Spinous process C2; transverse process of C1

Innervation: Suboccipital nerve

Action: Head posture

Question 7

Rectus capitis posterior major

Answer 7

Attachment: spinous process C2; occipital bone

Innervation: Suboccipital nerve

Action: Head posture

Question 8

Obliquus capitis superior

Answer 8

Attachment: Tranverse process of C1; occipital bone

Innervation: suboccipital nerve

Action: Head Posture

Question 9

Muscles of Suboccipital Triangle

Answer 9

Rectus capitis posterior major/minor

Obliquus capitis inferior/superior

Question 10

Muscles for Proprioception for respiration

Answer 10

Serratus posterior superior/Inferior

Question 11

Muscles innervated by Posterior rami of spinal nerves

Answer 11

Splenius capitis/cervicis

Question 12

Muscles innervated by posterior rami of spinal nerves

Answer 12

Spinalis
Longissimus
Iliocostalis

Question 13

Muscles help with Head posture

Answer 13

Rectus capitis posterior major/minor

Obliquus capitis inferior/superior

Question 14

Trapezius

Answer 14

Action: Superior portion- elevates; inferior portion-depresses; middle portion retracts scapula

Innervation: Spinal Accessory Nerve (CN XI)

Question 15

Latissimus dorsi

Answer 15

Action: Extends, adducts and medially rotates shoulder joint

Innervation: Thoracodorsal nerve

Question 16

Levator scapulae

Answer 16

Action: Elevated scapula

Innervation: dorsal scapular nerve

Question 17

Rhomboid minor/major

Answer 17

Action: Retracts scapula and fix scapula to thoracic wall

Innervation: Dorsal scapular nerve

Question 18

Deltoid

Answer 18

Action: Flexes, medially rotates shoulder; abducts shoulder joint; extends and laterally rotates shoulder

Innervation: Axillary nerve

Question 19

Supraspinatus

Answer 19

Action: Abduction of shoulder, rotator cuff muscle

Innervation: suprascapular nerve

Question 20

Infraspinaturs

Answer 20

Action: Laterally rotates shoulder joint, rotator cuff muscle

Innervation: suprascapular nerve

Question 21

Teres Minor

Answer 21

Action: Laterally rotates shoulder cuff, rotator cuff muscle

Innervation: Axillary nerve

Question 22

Teres major

Answer 22

Action: Adducts and medially rotates shoulder joint

Innervation: Inferior subscapular nerve

Question 23

Subscapularis

Answer 23

Action: Medially rotates and adducts shoulder joint, rotator cuff muscle

Innervation: Superior and inferior subscapular nerves