Lab organization of muscle groups
Gross Anatomy of the Muscular System
Laszlo Vass, Ed.D Version 42-0012-00-01
Lab Report Assistant
This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.
Observations
Exercise 1: Muscles of the Head and Neck
Data Table 1: Movement(s) performed by each muscle for Figures 3-4.MuscleMovement(s) PerformedExample: DeltoidExample: Abducts the armFrontalisRaises eyebrowsLevator ScapulaeTilts back headMasseterElevates mandibleObicularis orisLip movementsOccipitalisFacial movementsOrbicularis oculiCloses eyelidsPlatysmaDepresses lower jawSplenius capitisHead extension/lateral flexion/and rotation of the cervicalSternocleidomastoidFlexes the neck/extends the headSupraspinatusAbduction of the arm at the joint of the shoulderTrapeziusMove to the scapulae/support the armZygomaticusRaises the corners of the mouth when a person smiles
Questions Exercise 1
A. List a muscle shown in Figures 3 and 4 that is a prime mover/agonist for pivoting the head.
Levator scapulae
B. List one prime mover/agonist for extension of the head.
Splenius capitis
C. List one muscle that is the prime mover/agonist for depression of the mandible and list one muscle that is the antagonist for depression of the mandible.
Masseter
D. List one muscle that is a prime mover for smiling.
Zygomaticus
E. List one muscle that raises your eyebrow as if you were
Laszlo Vass, Ed.D Version 42-0012-00-01
Lab Report Assistant
This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.
Observations
Exercise 1: Muscles of the Head and Neck
Data Table 1: Movement(s) performed by each muscle for Figures 3-4.MuscleMovement(s) PerformedExample: DeltoidExample: Abducts the armFrontalisRaises eyebrowsLevator ScapulaeTilts back headMasseterElevates mandibleObicularis orisLip movementsOccipitalisFacial movementsOrbicularis oculiCloses eyelidsPlatysmaDepresses lower jawSplenius capitisHead extension/lateral flexion/and rotation of the cervicalSternocleidomastoidFlexes the neck/extends the headSupraspinatusAbduction of the arm at the joint of the shoulderTrapeziusMove to the scapulae/support the armZygomaticusRaises the corners of the mouth when a person smiles
Questions Exercise 1
A. List a muscle shown in Figures 3 and 4 that is a prime mover/agonist for pivoting the head.
Levator scapulae
B. List one prime mover/agonist for extension of the head.
Splenius capitis
C. List one muscle that is the prime mover/agonist for depression of the mandible and list one muscle that is the antagonist for depression of the mandible.
Masseter
D. List one muscle that is a prime mover for smiling.
Zygomaticus
E. List one muscle that raises your eyebrow as if you were