Lab Exercise 16 Part 1 Gross Anatomy of the Muscular System

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Presentation transcript:

Lab Exercise 16 Part 1 Gross Anatomy of the Muscular System Facial, Trunk and Back Muscles

When studying the muscle models Learn the NAME and LOCATION of the muscle on the model. Learn the ACTION of the muscle (what action it produces when the muscle contracts)

A note on muscle actions… On the lab exam, you only need to provide ONE action. The action MUST have an ACTION word and the BONE/BODY part being acted upon. Example: Acceptable – FLEX ARM Unacceptable - FLEX

Facial Expression Muscles Epicranius – frontal belly Orbicularis oculi Orbicularis oris

Facial Expression Muscles Epicranius - occipital belly Zygomaticus Risorius

Mastication & Neck Muscles Masseter Sternocleidomastoid

Mastication & Neck Muscles Masseter Sternocleidomastoid

Torso Muscles – Study on the following 2 models Shows SUPERFICIAL muscles only!!! Shows SUPERFICIAL muscles on RIGHT and DEEP muscle on LEFT!!!

TORSO MUSCLES – SUPERFICIAL ONLY!!! Deltoid Pectoralis major Serratus Anterior

TORSO MUSCLES – SUPERFICIAL ONLY!!! Rectus abdominis External oblique

TORSO MUSCLES – SUPERFICIAL & DEEP!!! External intercostals Internal intercostals

TORSO MUSCLES – SUPERFICIAL & DEEP!!! Deltoid Pectoralis major Pectoralis minor Serratus anterior

TORSO MUSCLES – SUPERFICIAL & DEEP!!! Rectus abdominis External oblique Internal oblique

BACK MUSCLES – SUPERFICIAL ONLY!!! Deltoid Trapezius Latissimus dorsi

BACK MUSCLES – SUPERFICIAL ONLY!!! Infraspinatus Teres Minor Teres Major

BACK MUSCLES – SUPERFICIAL ONLY!!! Infraspinatus BACK MUSCLES – SUPERFICIAL ONLY!!! Teres Minor Teres Major

BACK MUSCLES – SUPERFICIAL & DEEP!!! Supraspinatus Infraspinatus Teres Minor Teres Major

BACK MUSCLES – SUPERFICIAL & DEEP!!! Deltoid Trapezius Latissimus dorsi

BACK MUSCLES – SUPERFICIAL & DEEP!!! Infraspinatus Teres Minor Teres Major

BACK MUSCLES – SUPERFICIAL & DEEP!!! Rhomboid Minor Rhomboid Major