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Chapter 11: Muscular System
Appendicular Musculature
19
Anatomy
Undergraduate 1
10/16/2011

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Term
What is the function of the Appendicular musculature?
Definition
muscles that are responsible for stabilizing the pectoral and pelvic girdles and for moving the upper and lower limbs
Term
What percent of skeletal muscles are appendicular?
Definition
40%
Term
What are the two major groups of appendicular muscles? 
Definition
  1. the muscles of the pectoral girdle and upper limbs
  2. muscles of the pelvic girdle and lower limbs
Term
What are the four muscle groups associated with the pectoral girdle and upper limbs?
Definition
  1. muscles that position the pectoral girdle
  2. muscles that move the arm
  3. muscles that move the forearm and hand
  4. muscles that move the hand and fingers
Term
Subclavius muscle
Definition
inserts upon the inferior border of the clavicle
Term
pectoralis minor muscle
Definition
attaches to the coracoid process of the scapula; compliments the contraction of the subclavius
Term
Coracobrachialis muscle
Definition
only muscle attached to the scapula that produces flexion and adduction at the should joint
Term
What muscles form the rotator cuff?
Definition
infraspinatus, supraspinatus, subscapularis, and teres minor
Term
extensor retinaculum
Definition
the fascia of the forearm thickens on the posterior surface of the wrist to form a wide band of connective tissue
Term
flexor retinaculum
Definition
on the anterior surface, the fascia also thickens to form another wide band of connective tissue
Term
Carpal Tunnel Syndrome
Definition
inflammation of the retinacula and tendon sheaths can restrict movement and irritate the median nerve
Term
What 3 muscle groups are associated with the pelvic girdle and lower limbs?
Definition
  1. muscles that move the thigh
  2. muscles that move the leg
  3. muscles that move the foot and toes
Term
What are the 3 types of fascia?
Definition
  1. superficial fascia
  2. deep fascia
  3. subserous fascia
Term
superficial fascia
Definition
a layer of areolar tissue deep to the skin
Term
deep fascia
Definition
a dense fibrous layer bound to capsules, periostea, epimysia, and other fibrous sheaths surrounding internal organs
Term
subserous fascia
Definition
a layer of areolar tissue seperating a serous membrane from adjacent structures
Term
The deep fascia of the arm creates what two compartments?
Definition
  1. anterior compartment or flexor compartment
  2. posterior compartment or extensor compartment
Term
The thigh can be divided into what 3 compartments?
Definition
anterior, posterior, and medial
Term
The lower leg can be divided into 4 major compartments?
Definition
anterior, lateral, superficial posterior, and deep posterior compartments
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