2. Identify all the synergistic muscles of the following structures. If there are multiple actions for any of the following muscles, specify the synergistic action for each muscle: a. Digastric M b. Sternocleidomastoid M c. Splenius capitis M d. Trapezius M e. Latissimus dorsi M f. Spinalis M g. Semispinalis M h. Serratus posterior superior M i. Psoas major M j. Lateral pterygoid M .