face, mouth n neck

platysma

1. deltoid, clavi-pectoral fascia

2. symphisis menty and lower border of mandible

3. cervical branch of facial nerve

sternocleidomastoid

1. clavicular → medial clavicle → mastoid process

2. sternal → manubrium → superior nuchal line

3. accessory nerve C2,3

4. bilateral → flexion and extension

5. ipsilateral → contralateral neck rotation and ipsilateral bending

scaleni muscles

anterior

1. transverse process C3-6 → superior border of 1st rib

2. C4-6 ventral rami

middle

1. transverse process C2-7 → 1st rib posterior to subclavian groove

2. C3-8

posterior

1. transverse process C5-7 → external surface of rib 2

2. C6-8

suprahyoid muscles

1. stylohyoid

2. digastric

3. mylohyoid

4. geniohyoid

sternohyoid

1. posterior manubrium

2. lower margin of hyoid

   1. ANSA CERVICALIS C1-3

omohyoid

1. superior border of scapula → intermediate tendon → lower border of hyoid

2. ansa cervicalis

thyrohyoid

1. oblique line of thyroid → inferior margin of hyoid

2. hypoglossal nerve and C1

sternothyroid

1. posterior manubrium and costal cartilage → oblique line of thyroid

2. ansa cervicalis

laryngeal inlet muscles

ariepiglottis

1. top of arytenoid → lateral borders of epiglottis

2. recurrent laryngeal of vagus

3. adducts aryepiglottic fold to close in a purse like manner

oblique arytenoid

1. posterior muscular process → posterior apex of adjacent

2. recurrent laryngeal

3. contract sphincter

thyro-epiglottic

1. posterior thyroid → lateral epiglottis

2. recurrent laryngeal

3. pulls epiglottis forwards widening inlet

controlling vocal cords

thyro-arytenoid

1. thyroid angle and cricothyroid ligament → lateral anterior arytenoid

2. recurrent laryngeal

3. relaxes cords

cricothyroid

1. lateral arch of cricoid → posterior thyroid

2. external branch of superior laryngeal nerve

3. pulls thyroid down and forwards tensing cords

vocalis

1. vocal process → vocal ligament at thyroid angle

2. recurrent laryngeal

3. modulates tension

controlling rima glottidis space

posterior cricoarytenoid

1. posterior cricoid lamina → posterior muscular process

2. recurrent laryngeal

3. abducts

lateral cricoarytenoid

1. lateral arch → anterior surface of muscular process

2. recurretn laryngeal

3. adducts

transverse arytenoid

1. lateral posterior arytenoid → adjacent lateral arytenoid

2. recurrent laryngeal

3. adducts

constrictor muscles

superior constrictor

1. pharyngeal raphe → pterygomandybular raphe

2. vagus nerve

3. moves soft palate raises pharynx

middle

1. pharyngeal raphe → lesser and greater wing of hyoid

2. vagus nerve

3. raises soft palate

inferior

1. pharyngeal raphe → oblique line of thyroid, cricoid and cricothyroid membrane

2. vagus nerve

longitudinal pharyngeal muscles

stylopharyngeus

1. medial styloid process → pharyngeal wall

2. glossopharyngeal

3. raises pharynx

salpingopharyngeus

1. pharyngeal part of pharyngotympanic tube → pharyngeal wall

2. vagus nerve

palatopharyngeus

1. palatine apeneurosis → pharyngeal nerve

2. vagus nerve

3. elevates pharynx and depresses soft palate (closes oropharyngeal isthmus

palate muscles

tensor veli palatini

1. scaphoid fossa + pharyngotympanic tube → lateral palatine aponeurosis

2. mandibular nerve

3. tenses palate opens pharyngotympanic tube

levator veli palatini

1. temporal bone → superior palatine aponeurosis

2. pharyngeal branch of vagus

3. raises soft palate

palatoglossus

1. inferiro palatine aponeurosis → side of posterior tongue

2. pharyngeal branch of vagus

3. moves palatoglossal arch forwards, raises back of tongue and depresses palate

masseter

1. zygomatic arch, maxillary process of zygomatic

2. lateral angle of mandible and ramus

3. masseteric nerve of mandibular nerve

4. elevates and protrudes

temporalis

1. temporal fossa and temporal fascia

2. coronoid process and anterior margin of mandibular ramus

3. deep temporal nerve of mandibular

4. elevate and retract

lateral pterygoid

1. lateral surface of lateral pterygoid plate and roof of infratemporal fossa

2. temporomandibular joint capsule

3. nerve to lateral pterygoid of mandibular nerve

4. protrudes and side to side movement

medial pterygoid

1. medial side of lateral pterygoid plate

2. medial mandible and angle

3. nerve to medial pterygoid mandibular branch

4. elevation and side to side movement