Term
Splenius Cervicus
TG p 203
WB p 92, 94, 98, 100
ORIGIN
INSERTION ACTION |
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Definition
Splenius Cervicus
(bandage - neck)
ORIGIN - INFERIOR
S.P.'s T3 - T6
INSERTION - SUPERIOR
T.P.'s C1 -C3
ACTION
BILATERALLY - Extension and hyperextension of head and neck
UNILATERALLY - Rotation of the neck to the SAME SIDE
Lateral flexion to the SAME SIDE |
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Term
| Why is the Origin of the Splenius Cervicus INFERIOR? |
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Definition
Because both Origin and Inserion are both on the Axial Skeleton.
The Insertion still moves toward the Origin. |
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Term
| What is the only arm muscle that flexes the elbow that inserts on the Ulna? |
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Definition
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Term
Brachialis
TG 132
WB 31
ORIGIN
INSERTION
ACTION |
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Definition
Brachialis
(arm)
ORIGIN - Distal 1/2 of the anterior shaft of the Humerus.
It is deep to the biceps brachii.
INSERTION - Tuberosity of the coronoid process of the Ulna.
ACTION - Flexion of the elbow in all wrist positions.
B/C it inserts the ulna, it doesn't matter if the hand is suppinated or pronated. |
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