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Applied Kinesiology Chapter 5
Muscles & Actions
13
Biology
Undergraduate 3
03/21/2011

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Term
Humeral flexion & abduction
Definition
Scapula elevation, upward rotation, & abduction
Term
Humeral adduction & extension
Definition
Scapula depression, downward rotation, & adduction
Term
Scapula abduction
Definition
Humeral internal rotation & horizontal adduction
Term
Scapula adduction
Definition
Humeral external rotation & horizontal abduction
Term
Deltoid
Definition
location: superior
action: anterior fibers- abduction, flexion, horizontal adduction, & internal rotation
middle fibers- abduction
posterior fibers- abduction, extension, horizontal abduction, & external rotation
Term
Pectoralis Major
Definition
location: anterior
action: upper fibers- internal rotation, horizontal adduction, flexion, abduction, & adduction ( arm below 90 degrees)
lower fibers- internal rotation, horizontal adduction, extension, & adduction
Term
Latissimus Dorsi
Definition
location:posterior
action: adduction, extension, internal rotation, & horizontal abduction
Term
Teres Major
Definition
location:posterior
action: extension, internal rotation, & adduction
Term
Coracobrachialis
Definition
location: anterior
action: flexion, adduction, horizontal adduction
Term
Subscapularis
Definition
location: anterior
action: internal rotation, adduction, extension, stabilization of humeral head in glenoid fossa
attachment site: lesser tubercle anterior
Term
Supraspinatus
Definition
loction: superior
action: abduction, stabilization of the jumeral head in glenoid fossa
attachment site: greater tubercle from above
Term
Infraspinatus
Definition
location:Posterior
action: external rotation, horizontal abduction, extension, & stabilization of humeral head in the glenoid fossa
attachment site: greater tubercle posteriorly
Term
Teres Minor
Definition
location: posterior
action: external rotation, horizontal abduction, extension, stabilization of humeral head in the glenoid fossa
attachment site: greater tubercle posteriorly
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