Slideshow: Rotator Cuff

Slideshow: Rotator Cuff

The Funky Professor videos can viewed here:
http://publishing.rcseng.ac.uk/journal/video?videoTaxonomy=FUNK

1. The Rotator Cuff

2. The Shoulder Girdle consists of 2 bones

3. The Scapula
The Shoulder Girdle consists of 2 bones

4. The Scapula
The Clavicle
The Shoulder Girdle consists of 2 bones

5. The Scapula
The Clavicle
The Shoulder Girdle consists of 2 bones

6. The rotator cuff muscles
surround the proximal
humerus and move the arm in
different directions

7. There are four rotator cuff muscles

8. Anterior View

9. Subscapularis
Anterior View

10. Subscapularis
Anterior View

11. Subscapularis
Arises from the
anterior or ventral
surface of the scapula
Anterior View

12. Subscapularis
Arises from the anterior or
ventral surface of the scapula
Anterior View
Attaches onto the
lesser tuberosity of
the humerus

13. Subscapularis
Arises from the anterior or
ventral surface of the scapula
Anterior View
Attaches onto the lesser
tuberosity of the humerus
Internally rotates the arm

14. Subscapularis
Arises from the anterior or
ventral surface of the scapula
Anterior View
Attaches onto the lesser
tuberosity of the humerus
Internally rotates the arm
Supplied by Upper
and Lower
Subscapular Nerves

15. Subscapularis
Arises from the anterior or
ventral surface of the scapula
Anterior View
Attaches onto the lesser
tuberosity of the humerus
Internally rotates the arm
Supplied by Upper and Lower
Subscapular Nerves

16. Supraspinatus
Arises from the
supraspinous fossa on the
posterior or dorsal aspect of
the scapula

17. Supraspinatus
Arises from the supraspinous fossa on
the posterior or dorsal aspect of the
scapula
Inserts onto the superior
facet on the Greater
Tuberosity of the Humerus

18. Supraspinatus
Arises from the supraspinous fossa on
the posterior or dorsal aspect of the
scapula
Inserts onto the superior facet on
the greater tuberosity of the
humerus
Abducts the Arm

19. Supraspinatus
Arises from the supraspinous fossa on
the posterior or dorsal aspect of the
scapula
Inserts onto the superior facet on
the greater tuberosity of the
humerus
Abducts the Arm
Supplied by the
Suprascapular
nerve

20. Supraspinatus
Arises from the supraspinous fossa on
the posterior or dorsal aspect of the
scapula
Inserts onto the superior facet on
the greater tuberosity of the
humerus
Abducts the Arm
Supplied by the
Suprascapular nerve

21. Superior or bird’s eye view of shoulder joint
Right side

22. Superior or bird’s eye view of shoulder joint
Anterior
Right side

23. Superior or bird’s eye view of shoulder joint
Anterior
Posterior
Right side

24. Superior or bird’s eye view of shoulder joint
Anterior
Posterior
Right side

25. Superior or bird’s eye view of shoulder joint
Scapula
Anterior
Posterior
Right side

26. Superior or bird’s eye view of shoulder joint
Humerus
Scapula
Anterior
Posterior
Right side

27. Superior or bird’s eye view of shoulder joint
Scapula
Greater
Tuberosity
Anterior
Posterior
Right side

28. Superior or bird’s eye view of shoulder joint
Greater
Tuberosity
Coracoid
Anterior
Posterior
Right side

29. Superior or bird’s eye view of shoulder joint
Greater
Tuberosity
Coracoid
Acromion
Anterior
Posterior
Right side

30. Superior or bird’s eye view of shoulder joint
Greater
Tuberosity
Coracoid
Acromion
Anterior
Posterior
Supraspinous
Fossa
Right side

31. Superior or bird’s eye view of shoulder joint
Greater
Tuberosity
Coracoid
Acromion
Anterior
Posterior
Supraspinatus
Muscle
Right side

32. Posterior View

33. Posterior View

34. Posterior View
Infraspinatus

35. Posterior View
Infraspinatus
Originates from the
Infraspinous Fossa on
posterior or dorsal
aspect of Scapula

36. Posterior View
Infraspinatus
Originates from the Infraspinous Fossa on
posterior or dorsal aspect of scapula
Inserts onto the
middle facet on the
greater tuberosity of
the humerus

37. Posterior View
Infraspinatus
Originates from the Infraspinous Fossa on
posterior or dorsal aspect of scapula
Inserts onto the middle facet on the
greater tuberosity of the humerus

Externally
rotates the arm

38. Posterior View
Infraspinatus
Originates from the Infraspinous Fossa on
posterior or dorsal aspect of scapula
Inserts onto the middle facet on the
greater tuberosity of the humerus

Externally rotates the arm
Supplied by
Suprascapular
Nerve

39. Posterior View
Infraspinatus
Originates from the Infraspinous Fossa on
posterior or dorsal aspect of scapula
Inserts onto the middle facet on the
greater tuberosity of the humerus

Externally rotates the arm
Suprascapular Nerve

40. Posterior View

41. Posterior View

42. Posterior View
Teres Minor

43. Posterior View
Teres Minor
Originates from the
superior part of
lateral border of
scapula

44. Posterior View
Teres Minor
Originates from the superior part of lateral
border of scapula

Inserts onto the
inferior facet on
greater tuberosity
of humerus

45. Posterior View
Teres Minor
Originates from the superior part of lateral
border of scapula

Inserts onto the inferior facet on
greater tuberosity of humerus

Externally
rotates the arm

46. Posterior View
Teres Minor
Originates from the superior part of lateral
border of scapula

Inserts onto the inferior facet on
greater tuberosity of humerus

Externally rotates the arm
Supplied by
Axillary nerve

47. Posterior View
Teres Minor
Originates from the superior part of lateral
border of scapula

Inserts onto the inferior facet on
greater tuberosity of humerus

Externally rotates the arm
Axillary nerve

48. Summary of muscles

49. Subscapularis
Origin Subscapular fossa of scapula
InsertionLesser tuberosity of humerus
Action Internal rotation and
adduction of the arm
Nerve SupplyUpper and lower subscapular
nerves (C5, C6 and C7)
Blood SupplySubscapular artery
Anterior Chest Wall

50. Posterior Chest Wall
Supraspinatus
Origin Supraspinous fossa of scapula
InsertionSuperior facet on greater
tuberosity of humerus
Action Abduction of arm
Nerve SupplySuprascapular nerve (C4, C5
and C6)
Blood SupplySuprascapular artery

51. Posterior Chest Wall
Infraspinatus
Origin Infraspinous fossa of scapula
InsertionMiddle facet on greater
tuberosity of humerus
Action Externally rotates arm
Nerve SupplySuprascapular nerve (C5 and
C6)
Blood SupplySuprascapular and circumflex
scapular arteries