Slideshow: Humerus

Slideshow: Humerus

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

1. The Humerus

2. The humerus is the
longest and
strongest bone
in the upper limb
The Humerus

3. It is the only bone in the arm
It is a long bone
The Humerus

4. It may be divided
into
thirds along its
length
The Humerus

5. It may be divided
into
thirds along its
length
The Humerus

6. It may be divided
into
thirds along its
length
Proximal third
The Humerus

7. It may be divided
into
thirds along its
length
Proximal third
Middle third
The Humerus

8. It may be divided
into
thirds along its
length
Proximal third
Middle third
Distal Third
The Humerus

9. The Humerus
articulates proximally
at the Shoulder joint
The Humerus

10. The Humerus
articulates distally
at the Elbow Joint
The Humerus

11. The Humerus is
expanded at either end
The Humerus

12. The Humerus is
expanded at either end
There are a number of
interesting projections
The Humerus
Right side

13. The Proximal Humerus
Posterior ViewAnterior View
The Humerus
Right side

14. The Proximal Humerus
Posterior
Anterior
Superior or
Bird’s Eye
View
The Humerus
Right side

15. Head of Humerus
Posterior ViewAnterior View
The Humerus
Right side

16. Lesser Tuberosity
Anterior View Superior View
The Humerus
Right side

17. The Subscapularis muscle
attaches to the Lesser
Tuberosity of the Humerus
It arises from the whole of
the ventral surface of the
scapula
It adducts and internally
rotates the arm
Subscapularis
The Humerus

18. Bicipital Groove
Anterior View Superior View
The Humerus
Right side

19. Bicipital Groove
The Long Head of Biceps
Tendon originates from the
superior rim of the glenoid of
the scapula
It passes through the shoulder
joint and enters the bicipital
groove
The Humerus

20. Bicipital Groove
The Biceps muscles attaches
distally to the radius
It flexes the elbow joint and
supinates the forearm
The Humerus

21. Greater Tuberosity
Anterior View Posterior View
The Humerus

22. Greater Tuberosity
Superior or
Bird’s Eye
View
The Humerus
Anterior
Posterior

23. Anterior
Posterior
Superior or
Bird’s Eye
View
The Humerus
3 muscles attach to the Greater Tuberosity

24. The Humerus
3 muscles attach to the Greater Tuberosity
Supraspinatus
Infraspinatus
Teres Minor

25. Suprapinatus attaches to the upper part of the
Greater Tuberosity of the Humerus
Anterior
Posterior
Superior or
Bird’s Eye
View
The Humerus

26. It arises from the
Supraspinous Fossa
of scapula
Suprapinatus attaches to the upper part of the
Greater Tuberosity of the Humerus
It abducts the arm
The Humerus

27. Posterior View
The Humerus
Infraspinatus attaches to the posterior part of the
Greater Tuberosity of the Humerus

28. It arises from the
Infraspinous Fossa
of scapula
It externally rotates
the arm
Infraspinatus attaches to the posterior part of the
Greater Tuberosity of the Humerus
The Humerus

29. Posterior View
The Humerus
Teres Minor attaches to the postero-inferior part of
the Greater Tuberosity of the Humerus

30. The Humerus
Teres Minor attaches to the postero-inferior part of
the Greater Tuberosity of the Humerus
Posterior View
It arises from the
upper part of lateral
border of the scapula
It externally
rotates the arm

31. Anterior View
3 muscles attach to the
bicipital groove and its
margins

32. Anterior View
Pectoralis Major attaches
to the lateral lip of the
bicipital groove

33. Anterior View
Pectoralis Major attaches
to the lateral lip of the
bicipital groove

34. Anterior View
Latissimus Dorsi attaches
to the floor of the
bicipital groove

35. Anterior View
Latissimus Dorsi attaches
to the floor of the
bicipital groove

36. Anterior View
Teres Major attaches
to the medial lip of the
bicipital groove

37. Anterior View
Teres Major attaches
to the medial lip of the
bicipital groove

38. Anterior View
Pnemonic for
muscles attaching to the
bicipital groove
A Lady between two Majors

39. Anterior View
Lady between two Majors
Latissimus Dorsi

40. Anterior View
Lady between two Majors
Latissimus Dorsi between
Pectoralis Major

41. Anterior View
Lady between two Majors
Latissimus Dorsi between
Pectoralis Major
Teres Major

42. Deltoid attaches to the
lateral aspect of the
shaft of the humerus

43. Deltoid attaches to the
lateral aspect of the
shaft of the humerus

44. Coracobrachialis
attaches to the medial
aspect of the shaft of the
humerus

45. Coracobrachialis
attaches to the medial
aspect of the shaft of the
humerus

46. Brachialis attaches to the
anterior aspect of the distal
half of the humerus

47. Brachialis attaches to the
anterior aspect of the distal
half of the humerus

48. Triceps Lateral Head

49. Triceps Lateral Head
Triceps Medial Head
arise from posterior shaft

50. Triceps Lateral Head
Triceps Medial Head
arise from posterior shaft

51. The Humerus
The Distal Humerus
Anterior View Posterior View

52. The Humerus
Medial Epicondyle
Anterior View Posterior View

53. The Humerus
Medial Epicondyle
Medial View

54. Medial Epicondyle
gives attachment to the common
flexor origin
The following muscles attach here
Anterior View

55. Pronator teres
Flexor carpi radialis
Palmaris longus
Flexor digitorum superficialis
Flexor carpi ulnaris
Anterior View
Medial Epicondyle
gives attachment to the common
flexor origin

56. The Humerus
Trochlea
Anterior View Posterior View

57. The Humerus
Trochlea
Medial View Inferior View

58. The Humerus
Trochlea
The Trochlea articulates
with the proximal Ulna at
the elbow joint

59. The Humerus
Coronoid Fossa
Anterior View
The coronoid fossa
articulates with the coronoid
process of the ulna

60. Posterior view
Olecranon fossa
The olecranon process
of the ulna articulates
with the
olecranaon fossa

61. The Humerus
Capitulum
Anterior View Posterior View

62. The Humerus
Capitulum
The Capitulum
articulates with the
head of the Radius at
the elbow joint

63. The Humerus
Radial Fossa
Anterior View
The radial head
articulates with the
radial fossa in flexion
of the elbow

64. posterior view

65. Medial epicondyle
posterior view

66. Lateral supracondylar ridge
posterior view

67. posterior view
Lateral supracondylar ridge
gives rise to
Brachioradialis

68. posterior view
Lateral supracondylar ridge
gives rise to
Brachioradialis

69. posterior view
Lateral supracondylar ridge
gives rise to
Brachioradialis

70. posterior view
Lateral supracondylar ridge
gives rise to
Extensor Carpi Radialis Longus

71. posterior view
Lateral supracondylar ridge
gives rise to
Extensor Carpi Radialis Longus

72. Posterior view
Lateral epicondyle
gives attachment to the
common extensor origin

73. Posterior view
Extensor Carpi Radialis Brevis
Extensor Digitorum
Extensor Carpi Ulnaris
Extensor Digiti Minimi

74. Posterior view
Anconeus muscle
attaches just below the
common extensor origin

75. Posterior view
Anconeus muscle
attaches just below the
common extensor origin

76. Nerves

77. There are 3 nerves closely related
to the humerus

78. There are 3 nerves closely related
to the humerus
Axillary nerve
touches the posterolateral
aspect of the surgical neck
of humerus

79. There are 3 nerves closely related
to the humerus
Radial nerve
touches the lower end of
the spiral groove on the
lateral aspect of the lower
part of the humeral shaft

80. There are 3 nerves closely related
to the humerus
Ulnar nerve
touches the posterior
aspect of the medial
epicondyle of humerus

81. There are 3 nerves closely related
to the humerus
Axillary nerve
Radial nerve
Ulnar nerve