topic 4 - neck muscles & bones

Question 1

Answer 1

hyoid bone

Question 2

Answer 2

third cervical vertebrae

Question 3

Answer 3

fourth cervical vertebrae

Question 4

Answer 4

fifth cervical vertebrae

Question 5

Answer 5

sixth cervical vertebrae

Question 6

Answer 6

seventh cervicle verterae

Question 7

Answer 7

first thoracic vertebrae

Question 8

name, origin and insertion, layer of muscle

Answer 8

Sternocleidomastoid Muscle
o: sternum and clavicle
i: the mastoid process of the temporal bone of the skull
superficial muscle

Question 9

superficial neck muscles - 3

Answer 9

1. platysma
2. stenocleidomastoid
3. trapezius

Question 10

muscles attached to the hyoid bone - 2

Answer 10

1. suprahyoid bones
2. infrahyoid bones

Question 11

deep neck muscles

Answer 11

1. prevertebral muscles
2. scalene muscles

Question 12

muscle, insertion, origin, action, layer of muscle

Answer 12

platysma
o: skin of supraclavicular regions
i: lower border of mandible
a: depresses mandible and angle of mouth
superficial muscle

Question 13

name, layer of muscle

Answer 13

trapezius
superficial muscle

Question 14

name, origin, insertion, action, layer

Answer 14

digastric
o: anterior: digastric fossa of manible posterior: mastoid notch of temporal bone
i: hyoid bone
a: elevates hyoid bone, depresses manible
suprahyoid muscle

Question 15

name, origin, insertion, action, layer

Answer 15

stylohoid
o: styloid process of temporal bone
i: body of hyoid bone
a: elevates and retracts hyoid bone
suprahyoid muscle

Question 16

name, origin, insertion, action, layer

Answer 16

mylohoid
o: mylohyoid line of mandible
i: body of hyoid bone
a: elevates the floor of the mouth, tongue, and hyoid bone during swallowing and speaking
suprahyoid muscle

Question 17

name, origin, insertion, action, layer

Answer 17

geniohyoid
o: inferior mental spine of mandible
i: body of the hyoid bone
a: shortens the floor of the mouth; pulls the hyoid bone anterosuperiorly
suprahyoid muscles

Question 18

name, origin, insertion, action, layer

Answer 18

sternothyroid
o: posterior surface of sternum
i: oblique line of thyroid cartilage
a: depress the larynx
infrahyoid muscles

Question 19

name, origin, insertion, action, layer

Answer 19

sternohyoid
o: manubrium of sternum and medial end of clavicle
i: inferior border of body of hyoid bone
a: depresses hyoid bone after swallowing
infrahyoid muscle

Question 20

name, origin, insertion, action, layer

Answer 20

thyrohyoid
o: oblique line of thyroid cartilage
i: hyoid bone
a: depresses hyoid bone and elevates the larynx
infrahyoid muscles

Question 21

name, origin, insertion, action, layer

Answer 21

omohyoid
o: inferior belly: superior border of scapula, superior belly: intermediate tendon
i: inferior belly: intermediate tendon, superior belly: body of hyoid bone
a: depresses and retracts hyoid and larynx
infrahyoid muscle

Question 22

name, origin, insertion, layer

Answer 22

anterior scalene
o: vertebrae c3-c6
i: rib 1
scalene muscle

Question 23

name, origin, insertion, action , layer

Answer 23

middle scalene
o: transverse process c1/c2 –> c7
i: rib 1
a: elevates first rib during forced inspiration
scalene muscle

Question 24

name, origin, insertion, action, layer

Answer 24

posterior scalene
o: vertebrae c4-c6/c5-c7
i: rib 2
a: elevates 2nd rib during forced inspiration
scalene muscle

Question 25

name, origin, insertion, action, layer

Answer 25

longus capitis
o: c3-c6
i: occipital bone
a: head flexion, head rotation
prevertebral muscles

Question 26

name, origin, insertion, action, layer

Answer 26

longus colli
o: superior: c3-c5, intermiedate: c5-t3, inferior: t1-t3
i: cervicle vertebraes
a: neck movement
prevertebral muscles

Question 27

name, origin, insertion, action, layer

Answer 27

rectus capitis anterior
o: anterior surface of atlas (c1)
i: occipital bone
a: head flexion
prevertebral muscles

Question 28

name, origin, insertion, action, layer

Answer 28

rectus capitis lateralis
o: transverse process of atlas
i: occipital bone
a: head flexion
prevertebral muscles