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Bio 168 Ch. 11 Muscles
The Muscular System
33
Biology
Undergraduate 2
09/28/2013

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Term
Most muscles cross at least one
Definition
Joint
Term
The attachment of a muscle's tendon to the stationary bone is called _____; the attachment of the muscle's other tendon to the movable bone is called the ____
Definition
Origin ; Insertion
Term
A lever is acted at two different points by two different forces which are called the
Definition
Effort and Load
Term
Motion will occur in a muscle when the ____ supplied exceeds the _____
Definition
Effort ; Load
Term
What is NOT a common arrangement of muscle fascicles
Definition
Oval
Term
This type of fascicle arrangement has the fascicles spread over a broad area and converges at a thick central tendon
Definition
Triangular
Term
This type of muscle works by stabilizing the origin of the agonist so that it can act more efficiently
Definition
Fixator
Term
What is NOT a characteristic commonly used to name skeletal muscles
Definition
Thickness of fibers
Term
In a diagram the fulcrum would be where?
Definition
The Leverage point (elbow)
Term
In a diagram where's the effort?
Definition
The point at which the muscle moves the load ^
Term
What represents a second class lever
Definition
Where the arrangement is (Effort, Load, Fulcrum)
Term
Where is the latissimus dorsi anteriorly?
Definition
In the small of the armpit
Term
Where is the rectus femoris on the anterior view of the body?
Definition
On the front of the thigh
Term
Where is the deltoid on the anterior view of the body?
Definition
On the forearm
Term
Where is the masseter on the anterior view of the body?
Definition
In the cheek
Term
Where is the gastrocnemius on the anterior view of the body?
Definition
Medial part of the lower leg
Term
Where is the thenar on the anterior view of the body?
Definition
(not pictured) on the palm of the hand
Term
Where is the extensor carpi ulnaris on the posterior view of the body?
Definition
Distal medial part of the arm
Term
Where is the soleus on the posterior view of the body?
Definition
On the lateral and medial sides of the bottom of the leg
Term
Where is the extensor digitorum longus on the posterior view of the body?
Definition
On the lateral side of the arm proximal to the e. c. ulnaris
Term
Where is the external oblique on the posterior view of the body?
Definition
On the Lateral side of the trunk.
Term
Where is the teres minor on the posterior view of the body?
Definition
(not listed) on diagram
Term
Where is the masseter on the later view of the head?
Definition
Anterior to the ear
Term
Where is the orbicularis oculi on the later view of the head?
Definition
Around the eye
Term
Where is the buccinator on the later view of the head?
Definition
Anterior to the masseter (deep)
Term
Where is the mentalis on the later view of the head?
Definition
Anterior Inferior part of the chin
Term
Where is the depressor anguli oris on the later view of the head?
Definition
Posterior to the mentalis
Term
Where is the zygomaticus major on the later view of the head?
Definition
Crosses the masseter inferiorly
Term
The muscles that serves as the "prime mover" during a movement is called the
Definition
agonist
Term
Where is the splenius capitis
Definition
Large muscle across the back of the neck
Term
Where is the rhomboid minor
Definition
First muscle that inferiorly crosses the splenius capitis
Term
Where is the leveator scaplulae
Definition
Most lateral protrusion on the neck
Term
Where is the longissimus cervicis
Definition
Bottom of the triangular muscle on the neck
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