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11 Cards in this Set

  • Front
  • Back
deltoid
lat. clavicle acromion
to crest of spine
*abducts arm
med/lat rotates
*Axillary N
teres major
dorsom of inf. scapula to crest of lesser tubercle of humerus
*adducts, med rotates arm, assists in extension
*subscapular C5-6 from post cord brtachial plexus
name rotator cuff muscles
supraspinatus
infraspinatus
teres minor
subscapularis
supraspinatus
supra. sp. fossa to greater tubercle of humerus
*abduct arm
*suparascap. N, C5-6 from superior trunk
infraspinatus
*infra. fossa to greater tubercle of humerus
*laterally rotates arm
*suprascapular N
teres minor
*upper 2/3 lat border scapula
to greater tubercle
*lat. rotates arm
*axillary N
subscapularis
suscapular fossa to lesser tubercle
*med rotates, assists extension
*supscapular N c5-6
name muscles attached to greater tubercle of humerus
supraspinatus
infraspinatus
teres minor
muscle attached to lesser tubercle of humerus
subscapularis
acronym for rotator cuff muscles
SITS
supraspinatus
infraspinatus
teres minor
subscapularis
does the rotator cuff prevent dislocation of the shoulder?
not if arm is pulled downward, due to incomplete inferior compartment