Gross Anatomy
Experiment
Gross Anatomy of the Muscular System
Gross Anatomy of the Muscular System
Laszlo Vass, Ed.D
Version 42-0012-02-01
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.
Muscle
Example: Deltoid
Frontalis
Levator Scapulae
Masseter
Obicularis oris
Occipitalis
Orbicularis oculi
Platysma
Splenius capitis
Sternocleidomastoid
Supraspinatus
Trapezius
Zygomaticus
Movement(s) Performed
Example: Abducts the arm
Raises eyebrows, wrinkles forehead
Elevates and retracts the scapula and abducts the neck
Elevates the mandible
Draws lips together
Draws scalp back
Closes the eye
Wrinkles skin of the neck and depresses corner of the mouth
Extends head/neck, bends and rotates head
Flexes head and neck (prayer muscle), rotates head
Assists in abducting the arm (part of the rotator cuff)
Raises and lowers shoulders (shrugging)
Laughing (elevates angle of mouth)
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©Hands-On Labs, Inc.
Experiment
Gross Anatomy of the Muscular System
Questions EXERCISE 1
A. List a muscle shown in Figures 3 and 4 that is a prime mover/agonist for pivoting the head.
Trapizius
B. List one prime mover/agonist for extension of the head.
Sternocleidomastoid
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 - antagonist
Platysma - Prime mover
D. List one muscle that is a prime mover for smiling.
Zygomaticus
E.
Gross Anatomy of the Muscular System
Gross Anatomy of the Muscular System
Laszlo Vass, Ed.D
Version 42-0012-02-01
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.
Muscle
Example: Deltoid
Frontalis
Levator Scapulae
Masseter
Obicularis oris
Occipitalis
Orbicularis oculi
Platysma
Splenius capitis
Sternocleidomastoid
Supraspinatus
Trapezius
Zygomaticus
Movement(s) Performed
Example: Abducts the arm
Raises eyebrows, wrinkles forehead
Elevates and retracts the scapula and abducts the neck
Elevates the mandible
Draws lips together
Draws scalp back
Closes the eye
Wrinkles skin of the neck and depresses corner of the mouth
Extends head/neck, bends and rotates head
Flexes head and neck (prayer muscle), rotates head
Assists in abducting the arm (part of the rotator cuff)
Raises and lowers shoulders (shrugging)
Laughing (elevates angle of mouth)
www.LabPaq.com
214
©Hands-On Labs, Inc.
Experiment
Gross Anatomy of the Muscular System
Questions EXERCISE 1
A. List a muscle shown in Figures 3 and 4 that is a prime mover/agonist for pivoting the head.
Trapizius
B. List one prime mover/agonist for extension of the head.
Sternocleidomastoid
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 - antagonist
Platysma - Prime mover
D. List one muscle that is a prime mover for smiling.
Zygomaticus
E.