The spinotrapezius can fix the dorsal part of the scapulae so that when the levator scapulae ventralis contracts the ventral part of the scapula rotates anteriorly as in the cat on the left.
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The arrows indicate the direction the levator scapulae ventralis,
acromiotrapezius, and spinotrapezius, will rotate the scapula when they contract. The spinotrapezius can fix the dorsal part of the scapulae so that when the levator scapulae ventralis contracts the ventral part of the scapula rotates anteriorly as in the cat on the left. Back |