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Quiz 6 MUSCLES
Quiz 6 Lectures: 9/12 - 9/14 - 9/16
21
Science
Undergraduate 1
09/14/2011

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Cards

Term
how is Flexor Carpi Radialis so named?
Definition
For it's action=FLEXION
For its location of action=CARPI/WRIST
Term
There are three main Wrist Flexors. They are the most superficial. Name them:
Definition
Flexor Carpi Radialis
Palmaris Longus
Flexor Carpi Unlaris
Term
True or False: ALl three of the Superficial Wrist Flexors Originate on the the Medial Epicondyle of the Humerus.
Definition
TRUE
Term
Define an 'Epicondyle'
Definition
Attach to an area of upon the condyle
Term
Tue or False: All three of the Superficial Wrist Flexors are located on the Posterior aspect of the forearm.
Definition
FALSE: All three of the superficial wrist flexors, Flexor Carpi Radiali, Palmaris longus and Flexor Carpi Ulnaris, are ALL located on the ANTERIOR forearm.
Term
Describe the Flexor Retinaculum:
Definition
A band of connective tissue that runs meio-laterally wrapping around the wrist.
ALL tendonds of the wrist flexors (except 1) pass UNDER the retinaculum along with the medial nerve. It holds the tendons down during the action of flexion.
TG p 128
Term
TG p 140/141
Flexor Carpi Radialis
Origin
Insertion
Action
Definition
ORIGIN-Proximal = Medial Epicondyle of the Humerus
INSERTION-Distal = Base of the 2nd and 3rd metacarpals
ACTION - Flexion of the Wrist and Radial Deviation.
Term
How are the metacarpals identified?
Definition
By number. The thumb is #1 and the pinky is #5
Term
Describe Radial Deviation:
Definition
Lateral Flexion from Anatomical Position.
The Thumb moves toward the forearm.
Term
How is the Biceps Brachii named?
Definition
Number of heads - BIceps 2
Where it is located in the body=Brachii - arm
Term
Bony Landmarks related to Bicleps Brachii:
TG p 95/96; 112; 49 and 50
Definition
Glenoid Fossa
Supraglenoid Tubercle
Coracoid Process
Bicipital Groove
Radial Tuberosity
Term
TG p 95/96
Bicpes Brachii
ORIGIN - proximal
INSERTION - distal
ACTION
Definition
ORIGIN - proximal =
LONG HEAD - Supraglenoid Tubercle
SHORT HEAD - Coracoid process of the Scapula
INSERTION - distal = Radial Tuberosity
ACTION - Flexion of the Elbow and Supination of the Forearm.
Term
True or Flase: The Bicpes Brachii corsses 2 joints.
Definition
True. Biceps Brachii crosses the shoulder and the elbow.
Term
True or Flase: Only one head of the Biceps Brachii inserts on the Radial Tuberosity.
Definition
FALSE: BOTH heads of the Biceps Brachii join together in the belly and attach to the Radial Tuberosity.
Term
Name the ORIGIN of the LONG HEAD of the Bicpes Brachii.
Definition
Supraglenoid process by way of the bicitital groove.
Term
Name the ORIGIN of th SHORT HEAD of the Biceps Brachii.
Definition
Coracoid process of the Scapula.
Term
TG p 142
Flexor Carpi Ulnaris
ORIGIN
INSERTION
ACTION
Definition
ORIGIN - proximal = medial epicondyle of the humerus and ulna
INSERTION - distal = Base of 5th metacarpal, Hamate and Pisiform
ACTION = Wrist Flexion and Ulnar Deviation
Term
TG p 135-136
Flexor Carpi Ulnaris
ORIGIN
INSERTION
ACTION
Definition
ORIGIN - proximal = Lateral epicondyl of humerus and ulna
INSERTION - distal = Base of 5th metacarpal and Hamate
ACTION = Wrist Extension and Ulnar deviation
Term
What action do both the Flexor Carpi Ulnaris and the Extensor Carpi Ulnaris perform together?
Definition
Ulnar Deviation. (aka adduction of the wrist from anatomical position.)
Term
What group of muscles are located on the anterior aspect of the forearm?
Definition
The wrist flexors.
Term
What group of muscles are located on the posterior aspect of the forearm?
Definition
The wrist extensors.
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