Shared Flashcard Set

Details

Skeletal muscles
Origin and insertion
23
Anatomy
Undergraduate 2
04/23/2011

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Cards

Term
Frontalis
Definition
Origin: galea aponeurotica
Insertion: skin superior to supraorbital line
Term
Occipitalis
Definition
Origin: occipital bone & temporal bone mastoid process
Insertion: galea aponeurotica
Term
Orbicularis Oris
Definition
Origin: muscle fibers surrounding mouth opening
Insertion: skin at corner of mouth
Term
Zygomaticus major
Definition
Origin: zygomatic bone
Insertion: skin at angle of mouth and orbicularis Oris
Term
Buccinator
Definition
Origin: alveolar process of maxilla/ mandible/pterygomandibular raphe
Insertion: orbicularis oris
Term
Platysma
Definition
Origin: fascia over deltoid and pectorals major muscles
Term
Orbicularis oculi
Definition
Origin: medial wall of orbit
Insertion: circular path around orbit
Term
Masseter
Definition
Origin: zygomatic bone
Insertion: mandible bone
Term
Temporalis
Definition
Origin: parietal bone
Insertion: mandible bone
Term
Superior rectus
Definition
Origin: tendon around eye
Insertion: top center of eye
Term
Inferior rectus
Definition
Origin: tendon around eye
Insertion: bottom center of eye
Term
Lateral rectus
Definition
Origin: tendon around eye
Insertion: lateral side of eye
Term
Medial rectus
Definition
Origin: tendon around eye
Insertion: medial side of eye
Term
Superior oblique
Definition
Origin: tendon around eye
Insertion: between top and side of eye
Term
Inferior oblique
Definition
Origin: maxilla
Insertion: between bottom and side of eye
Term
Sternocleidomastoid
Definition
Origin: sternum
Insertion: temporal bone
Term
Rectus abdominus
Definition
Origin: pubis
Insertion: sternum and ribs
Term
External oblique
Definition
Origin: ribs
Insertion: linea alba
Term
Intercostals
Definition
Origin: ribs
Insertion: ribs
Term
Diaphragm
Definition
Origin: sternum and ribs
Insertion: central tendon
Term
Serratus anterior
Definition
Origin: ribs
Insertion: scapula
Term
Trapezius
Definition
Origin: occipital bone
Insertion: scapula and clavicle
Term
Rhomboideus major
Definition
Origin: Spines 2-5 of thoracic vertebrae
Insertion: scapulae
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