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8 Cards in this Set
- Front
- Back
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Brachiocephalicus- 2 parts
1. Cleidobrachialis |
Origin- Ventral aspect of clavicular intersection.
Insertion- Cranial distal third of humerus. Action- Extends shoulder, advances forelimb |
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Brachiocephalicus-
2. Cleidocervicalis General Location- Dorsal aspect of clavicular intersection |
Origin- Dorsal aspect of clavicular intersection.
Insertion- Fibrous raphe and nuchal crest of occiput. Action-Draws head to side (lateral flexion of neck) |
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Splenius
General Location- Dorsolateral neck deep |
Origin-SP T1-T3, nuchal ligament cranial to T1, median raphe cranial part of fascia of thoracolumbar aponeurosis to T5-T6
Insertion- Mastoild part of temporal bone, dorsal nuchal line of occipital bone. Action- Extends head, lateral flexion of head, rotation of head, raises head and neck, stabilizes T1 |
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Sternocephalicus
General Location- Ventral neck superficial |
Origin- 1st Sternabra
Insertion- Mastoid process, nuchal crest. Action- Draws head and neck to the side. |
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Scalenus
General location- Ventrolateral chest deep |
Origin- TP C3 to C4-5
Insertion- Lateral ribs 1, 3, 5 Action-Aids in inhalation by drawing rib cranially. |
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Masseter
General Location- Ventrolateral jaw |
Origin- Zygomatic arch
Insertion- Massetric fossa of mandible Action- Mastication |
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Frontalis
General Location- Dorsal head, between eyes superficial |
Origin- Frontal bone
Insertion- Intertwines with muscles that circle the eye Action- Elevates and wrinkles forehead |
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Temporalis
General Location- Dorsolateral skull and jaw deep |
Origin- Temporal fossa of parietral and frontal bones
Insertion-Mandible Action- Mastication |
