Term
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Definition
ORIGIN: Lower Ligament nuchae, S.P & supraspinous ligaments of T 1-3
INSERTION: Lateral Occiput b/w superior & inferior nuchal lines
ACTION: extends & rotates cervical
NERVE: posterior primary rami |
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Term
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Definition
ORIGIN: SP & Supraspinous ligaments of T 3-6
INSERTION: Posterior tubercles of TP of C1-3
ACTION: extends & rotates cervical
NERVE: posterior primary rami |
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Term
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Definition
ORIGIN: TP
INSERTION: SP above & occipital bone
ACTION: extends head & spine, laterally flexes spine
NERVE: posterior primary rami |
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Term
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Definition
ORIGIN: Anterior, superior manubrium & superior medial 1/3 clavicle
INSERTION: lateral mastoid process & anterior 1/2 nuchael line
ACTION: flexes & laterally rotates cervical, protracts head
NERVE: spinal accessory |
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Term
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Definition
ORIGIN: Anterior tubercles of TP of C3-6
Posterior tubercles of TP C4-6
Posterior Tubercles of TP C2-7
INSERTION: Scalene tubercle of 1st rib
posterior/lateral 2nd rib
superior 1st rib
ACTION: laterally flexes neck, assists inspiration
NERVE: anterior primary rami |
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Term
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Definition
ORIGIN: skin over lower neck & upper lateral chest
INSERTION: inferior mandible, angle of mouth & skin over lower face
ACTION: depresses lower face & mouth (mandible), tenses fascia over chest
NERVE: facial nerve |
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Term
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Definition
ORIGIN: medial orbit & lacrimal sac (tear duct)
INSERTION: lateral palpebral raphe (skin of eyelid & around eye)
ACTION: closes eyelid, aids drainage of tears
NERVE: facial nerve |
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Term
| Zygomaticus major & minor |
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Definition
ORIGIN: anterior zygomatic bone & infra-orbital margin
INSERTION: skin & muscle of upper & angle of lips
ACTION: elevates & draws mouth laterally
NERVE: facial nerve |
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Term
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Definition
ORIGIN: digastric fossa & medial mastoid process
INSERTION: hyoid bone
ACTION: elevates hyoid, aids swallowing
NERVE: facial & mylohyoid nerve |
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Term
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Definition
ORIGIN: Temporal fossa b/w inferior temporal line & crest
INSERTION: medial & anterior coronoid process of mandible
ACTION: elevates & retracts mandible
NERVE: mandibular nerve |
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Term
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Definition
ORIGIN: anterior 2/3 zygomatic arch & maxilla
INSERTION: lateral surface & lower ramus of mandible
ACTION: elevates mandible (forced closure)
NERVE: anterior mandibular nerve |
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Term
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Definition
ORIGIN: superior fibres of upper facial muscles
INSERTION: galea aponeurosis
ACTION: wrinkles forehead
NERVE: auricular & temporal branches of facial nerve |
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Term
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Definition
ORIGIN: lateral 2/3 superior nuchal line
INSERTION: galea aponeurosis over occipital bone
ACTION: draws back scalp to raise eybrows & wrinkle brow
NERVE: auricular branch of facial nerve |
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Term
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Definition
ORIGIN: medial side of lateral pterygoid plate & fossa, maxilla tuberosity
INSERTION: medial aspect of angle of mandible
ACTION: elevates mandible, assists moving jaw side to side
NERVE: mandibular nerve |
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Term
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Definition
ORIGIN: infratemporal surface of sphenoid bone & lateral surface of lateral pterygoid plate
INSERTION: below condyloid process of mandible & temporomandibular joint
ACTION: depresses & protracts mandible, aids in chewing
NERVE: mandibular nerve |
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