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Exam 2
Muscles of Upper Limb
35
Anatomy
Undergraduate 2
02/13/2009

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Cards

Term
Trapezius
Definition
elevates, depresses, retracts, and rotates scapula
Term
Rhomboids (major, minor)
Definition
elevate and retract scapula (posterior)
Term
Levator Scapulae
Definition
elevate scapula
Term
Petoralis Minor
Definition
pulls scapula downward and forward on thoracic wall
Term
Serratus Anterior
Definition
same as pectoralis minor (anterior)
Term
Petoralis Major
Definition
flexes, adducts, and medially rotates humerus
Term
Latissimus Dorsi
Definition
adducts, extends, and medially rotates humerus
Term
Deltoid
Definition
abducts, flexes, and extends humerus
Term
Coracobrachialis
Definition
flexes and adducts humerus
Term
Teres Major
Definition
extends, adducts, and medially rotates humerus
Term
Subscapularis
Definition
medially rotates humerus
Term
Supraspinatus
Definition
abducts and laterally rotates humerus
Term
Infraspinatus
Definition
laterally rotates humerus
Term
Teres Minor
Definition
laterally rotates humerus
Term
flexors of the forearm/elbow joint (3)
Definition
biceps brachii, brachialis, branchioradialis
Term
extensor of the forarm/elbow joint
Definition
triceps brachii
Term
Anterior Surface of Forearm -- Superficial Group -- Pronator Teres
Definition
Pronates forearm
Term
Anterior Surface of Forearm -- Superficial Group -- Flexor Carpi Radialis
Definition
flexes wrist and abducts hands
Term
Anterior Surface of Forearm -- Superficial Group -- Palmaris Longus
Definition
flexes wrist
Term
Anterior Surface of Forearm -- Superficial Group -- Flexor Carpi Ulnaris
Definition
flexes wrist and adducts hand
Term
Anterior Surface of Forearm -- Intermediate Group -- Flexor Digitorum Superficialis
Definition
flexes wrist and flexes digits 2-5 at the MP and PIP
Term
Anterior Surface of Forearm -- Deep Group -- Flexor Digitorum Profundus
Definition
flexes wrist and digits 2-5 at the MP, PIP, and DIP joints
Term
Anterior Surface of Forearm -- Deep Group -- Flexor Pollicis Longus
Definition
flexes thumb
Term
Anterior Surface of Forearm -- Deep Group -- Pronator quadratus
Definition
pronates forearm
Term
Posterior Surface of Forearm -- Superficial Group -- Extensor Carpi Radialis Longus
Definition
extends wrist and abducts hand
Term
Posterior Surface of Forearm -- Superficial Group -- Extensor Carpi Radialis Brevis
Definition
extends wrist and abducts hand
Term
Posterior Surface of Forearm -- Superficial Group -- Extensor Digitorum
Definition
extends wrist and extends digits 2-5 at MP, PIP, and DIP joints
Term
Posterior Surface of Forearm -- Superficial Group -- Extensor Carpi Ulnaris
Definition
extends and adducts the wrist
Term
Posterior Surface of Forearm -- Deep Group -- Supinator
Definition
supinates forearm
Term
Posterior Surface of Forearm -- Deep Group -- Abductor Pollicis Longus
Definition
abducts thumb
Term
Posterior Surface of Forearm -- Deep Group -- Extensor Pollicis Longus
Definition
extends thumb
Term
Thenar muscles
Definition
move the thumb
Term
Hypothenar muscles
Definition
move little finger
Term
Midpalmar muscles
Definition
move fingers 2-5
Term
Lumbricales (4), Palmar Interossei (4)(also adduct fingers), Dorsal Interossei (4)(also abduct fingers)
Definition
Flex the MP joints and extend the PIP/DIP joints
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