deep muscles of back + shoulder Flashcards
(29 cards)
what muscles make up the rotator cuff
supraspinotus, infraspinotus, teres minor, subscapularis
where does the supraspinatus originate
suprispinus fossa of scapula
where does the supraspinatus insert
greater tubricle of humerus
what movement(s) does the supraspinatus perform
ABducts shoulder
what nerve supplies the supraspinatus
suprascapular nerve
where does the infraspinatus originate
infraspinus fossa of scapula
where does the infraspinatus insert
greater tubricle of humerus
what movement(s) does the infraspinatus perform
lateral rotation of shoulder
what nerve supplies the infraspinatus
suprascapular nerve
where does the teres minor originate
lateral border of scapula
where does the teres minor insert
greater tubricle of the humerus
what movement(s) does the teres minor perform
lateraly rotates shoulder
what nerve supplies the teres minor
axillary nerve
where does the subscapularis originate
subscapular fossa of scapula
where does the subscapularis insert
lesser tubricle of humerus
what movement(s) does the subscapularis perform
medially rotates shoulder
what nerve supplies the subscapularis
upper and lower subscapular nerves
where does teres major originate
inferior angle of scapula
where does the teres major insert
intertubercular grove of humerus
what movement(s) does the teres major perform
medially rotates shoulder
where do rhomboids (major + minor) originate
cervicle and thoracic vertebrae
where do rhomboids (major + minor) insert
medial border of scapula
what movement(s) do the rhomboids (major + minor) perform
elevates and retracts scapula
where does the levator scapula originate
cervicle vertabrae
