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MSG 117 Test 5
Muscle Organization / Articulation
21
Anatomy
Not Applicable
10/28/2019

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Cards

Term
What is an Articulation?
Definition
The point of contact between bones.
Term

Rank the following articulations from least to most movement.

Diarthrosis

Synarthrosis

Amphiarthrosis

Definition

Synarthrosis

Amphiarthrosis

Diarthrosis

Term
Ball-and-socket, ellipsoid, hinge, saddle, gliding and pivot, are all examples of what type of joint?
Definition
Synovial
Term
The locking of teeth in a boney socket is an example of which type of synarthrosis?
Definition
Gomposis
Term
The natural fusion of bone is an example of what type of synarthrosis?
Definition
Synostosis
Term
TheĀ cartilaginous connection between diaphysis and epiphysis is an example of what type of synarthrosis?
Definition
Synchondrosis
Term
Interlocked bones of the skull are an example of what type of synarthrosis?
Definition
Suture
Term
What type of muscle is the Deltoid?
Definition
Multipennate
Term
The acronym SITS is used for the rotator cuff muscles. Name these muscles.
Definition

Supraspinatus

Infraspinatus

Teres Minor

Subscapularis

Term
What type of fibers make up the Deltoid muscle?
Definition
Convergent fibers
Term
The opposite side of an engaged muscle (the relaxed side) is called what?
Definition
Antagonist
Term
Which rotator cuff muscle depresses the humeral head when the arm abducts?
Definition
Supraspinatus
Term

Which of the following is not a rotator cuff muscle?

Infraspinatus

Supscapularis

Teres Major

Supraspinatus

Definition
Teres Major
Term
What boney landmark on the humerus does the Deltoid muscle connect to?
Definition
Deltoid tuberosity
Term
There are two types of amphiarthrosis articulations, syndesmosis and symphysis. What is the connection between bones in these articulations?
Definition

Syndesmosis - bones connected by ligament

symphysis - bones separated by pad of fibrocartilage

Term
What are the functions of synovial fluid?
Definition
Lubrication, nutrient distribution and shock absorption.
Term
Which muscle will you find if you peel back the rhomboid?
Definition
Mid trap
Term
What part of a muscle is typically proximal and stationary to the bone?
Definition
Origin
Term
Usually distal, which part of the muscle tendon moves toward the fixed segment?
Definition
Insertion
Term
Nicknamed "lat's little helper" what muscle is a synergist to the latissimus?
Definition
Teres major
Term
What do you call the opposite, relaxed side of the muscle?
Definition
Antagonist
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