Deep Muscles Flashcards
Origin: Temporal Fossa and Zygomatic Arch.
Insertion: Coronoid process of mandible.
Temporalis
Origin: Spinous processes of C2.
Insertion: Dorsal aspect of the wing of atlas.
Head obliques
Origin: Articular processes of C3-C7 and transverse processes of T1/T2.
Insertion: Capitis - Temporal bone. Atlantis - Wing of atlas.
Longissimus captitis et atlantis
Origins: Dorsalis - Axis and atlas, lateralis - ventral arch of atlas.
Insertion: Occipital bone.
Rectus capitis
Origin: Nuchal ligament and C2-T8.
Insertion: Medial side of scapular cartilage.
Rhomboids
Origin: Transverse processes of C3-C7.
Insertion: Upper third of the scapular.
Serratus ventralis Cervicus
Origin: Articular processes of C3-T1.
Insertion: Adjacent processes of C3-T1.
Multifidus
Origin: Transverse processes of T1-T7 and Articular processes of C3-C7.
Insertion: Occipital bone.
Semispinalis
Origin: Scapular cartilage and Spina of scapular.
Insertion: Greater trochanter of humerus.
Supraspinatus
Origin: Scapular cartilage and spin of scapular.
Insertion: Greater trochanter of humerus.
Infraspinatus
Origin: Caudal aspect of the sternum.
Insertion: Humeral bone and brachial fascia.
Deep Cranial Pectoral
Origin: Upper third of sternum/manubrium.
Insertion: Deltoid tuberosity and crest of the humerus.
Descending Pectoral
Origin: Body of the 1st - 9th ribs.
Insertion: Upper third of the scapular.
Serratus ventralis thoracis
Origin: Spinous processes from L6 to T13 and the longissimus fascia.
Insertion: Spinous processes of C3 to T7.
Spinalis
Origin: Caudal border of spine of scapular.
Insertion: Deltoid tuberosity.
Deltoid