Spinal Practical 2 Flashcards
Frontalis belly, epicranius; Innervation
Temporal branches of facial nerve
Frontalis belly, epicranius; Action
Pulls scalp forward; wrinkles forehead & raises eyebrows
Occipitalis belly, epicranius; Innervation
Posterior auricular branch of facial nerve
Occipitalis belly, epicranius; Action
Pulls scalp backward
Corrugator supercilii; Innervation
Temporal branches of facial nerve
Corrugator supercilii; Action
Draws eyebrow medial & down (forms vertical furrow between eyebrows)
Procerus; Innervation
Superior buccal branches of facial nerve
Procerus; Action
Depress eyebrows medially
Palpebral part, orbicularis oculi; Innervation
Temporal & zygomatic branches of facial nerve
Orbital part, orbicularis oculi; Innervation
Temporal & zygomatic branches of facial nerve
Compressor naris; Innervation
Superior buccal branches of facial nerve
Compressor naris; Action
Compress cartilage at bridge of nose
Dilatator naris; Innervation
Superior buccal branches of facial nerve
Dilatator naris; Action
Widens, dilates nostrils & anterior nasal aperture
Levator labii superiors alaeque nasi; Innervation
Buccal branches of facial nerve
Levator labii superiors alaeque nasi; Action
Raises & everts upper lip; dilates nostril
Depressor septi; Innervation
Superior buccal branches of facial nerve
Depressor septi; Action
Widens nostril
Orbicularis oris; Innervation
Buccal & mandibular branches of facial nerve
Orbicularis oris; Action
Close mouth; purse & protrude lips
Buccinator; Innervation
Buccal branches of facial nerve
Buccinator; Action
Compress cheeks against teeth
Levator labii superioris; Innervation
Buccal branches of facial nerve
Levator labii superioris; Action
Raises & everts upper lip
Risorius; Innervation
Buccal & mandibular branches of facial nerve
Risorius; Action
Draws back angle of mouth
Zygomaticus minor; Innervation
Buccal branches of facial nerve
Zygomaticus minor; Action
Raises upper lip; produces nasolabial groove
Levator anguli oris; Innervation
Buccal branches of facial nerve
Levator anguli oris; Action
Raises angle of mouth; produces nasolabial groove
Zygomaticus major; Innervation
Buccal branches of facial nerve
Zygomaticus major; Action
Draws angle of mouth up and out
Depressor labii inferioris; Innervation
Mandibular branches of facial nerve
Depressor labii inferioris; Action
Draws lower lip down
Mentalis; Innervation
Mandibular branches of facial nerve
Mentalis; Action
Raises & protrudes lower lip
Superior rectus; Innervation
Oculomotor nerve
Superior rectus; Action
Elevate & adduct the cornea; intorsion
Medial rectus; Innervation
Oculomotor nerve
Medial rectus; Action
Adducts cornea
Lateral rectus; Innervation
Abducent nerve
Lateral rectus; Action
Abducts cornea
Inferior rectus; Innervation
Oculomotor nerve
Inferior rectus; Action
Depress & adduct the cornea; extorsion
Superior oblique; Innervation
Trochlear nerve
Superior oblique; Action
Depress & abduct the cornea; intorsion
Inferior oblique; Innervation
Oculomotor nerve
Inferior oblique; Action
Elevate & abduct the cornea; extorsion
Levator palpebrae superioris; Innervation
Oculomotor nerve
Levator palpebrae superioris; Action
Elevates upper eyelid
Temporoparietalis; Innervation
Temporal branches of facial nerve
Superior auricular; Innervation
Temporal branches of facial nerve
Posterior auricular; Innervation
Posterior auricular branch of facial nerve
Masseter; Innervation
Masseteric branch, mandibular division, trigeminal nerve
Masseter; Action
Elevate & protract mandible
Temporalis; Innervation
Anterior & posterior deep temporal branches, mandibular division, trigeminal nerve
Temporalis; Action
Elevate & retract mandible
Lateral pterygoid; Innervation
Lateral pterygoid branch, mandibular division, trigeminal nerve
Lateral pterygoid; Action
Protracts mandible; pulls disc forward; depress chin & assist in gliding or rotatory movement
Medial pterygoid; Innervation
Medial pterygoid branch, mandibular division, trigeminal nerve
Medial pterygoid; Action
Elevate & protract mandible; assists in gliding or rotatory movement
Anterior Scalene; Innervation
Ventral rami C2-C6
Middle Scalene; Innervation
Ventral rami C3-C8
Depressor Anguli Oris; Innervation
Mandibular branches of facial nerve
Depressor Anguli Oris; Action
draws corner of mouth down & out