1. Upper Arm, Elbow, and Forearm
Osteology
X-ray
Muscles
CT/MRI

5. Elbow (AP)

6. Elbow (lat)

7. Carrying angle
Angle between humerus and ulna (arm in anatomic position)
10-15° angle
Greater in females

8. Upper Arm, Elbow, and Forearm
Osteology
X-ray
Muscles
CT/MRI

9. Extensors

10. Pronators and supinators

12. Ant. view

13. Post. view

16. Sagittal cut. Image 1 1, Radial head.
2, Extensor carpi radialis longus muscle.
3, Triceps muscle (lateral head).
4, Cephalic vein.
5, Brachoradialis muscle.
6, Supinator muscle.
7, Extensor carpi ulnaris muscle.

17. sagittal cut. Image 3 1, Radial head. 2, Supinator muscle.
3, Anconeus muscle.
4, Capitellum.
5, Triceps muscle (lateral head).
6, Extensor carpi radialis longus muscle.
7, Biceps brachii muscle.
8, Cephalic vein.
9, Brachoradialis muscle.

18. sagittal cut. Image 5 1, Radial head. 2, Anconeus muscle. 3, Humerus.
4, Triceps muscle (lateral head).
5, Biceps brachii muscle.
6, Brachialis muscle.
7, Biceps brachii tendon.

19. sagittal cut. Image 8 1, Olecranon. 2, Triceps muscle (lateral head).
3, Humerus.
4, Biceps brachii muscle.
5, Brachialis muscle.
6, Ulnar artery and vein.
7, Pronator teres muscle.

21. Coronal view

22. coronal cut. Image 3 1, Olecranon. 2, Triceps muscle (lateral head).
3, Triceps tendon.
4, Humerus.
5, Flexor carpi ulnaris muscle.
6, Flexor digitorum profundus muscle.
7, Extensor carpi ulnaris muscle.
8, Anconeus muscle.

23. coronal cut. Image 5 1, Ulna. 2, Lateral epicondyle.
3, Triceps muscle (lateral head).
4, Medial epicondyle.
5, Flexor digitorum superficialis muscle.
6, Flexor digitorum profundus muscle.
7, Supinator muscle.
8, Extensor digitorum muscle.
9, Extensor carpi ulnaris muscle.

24. coronal cut. Image 6 1, Ulna. 2, Radial head. 3, Lateral epicondyle.
4, Extensor carpi radialis longus muscle.
5, Olecranon fossa.
6, Medial epicondyle.
7, Triceps muscle (lateral head).
8, Humerus.
9, Triceps muscle (Medial head).
10, Flexor digitorum superficialis muscle.
11, Supinator muscle.
12, Extensor digitorum muscle.

25. coronal cut. Image 13 1, Supinator muscle.
2, Extensor carpi radialis longus and brevis muscle.
3, Brachoradialis muscle.
4, Brachialis muscle.
5, Pronator teres muscle.
6, Flexor carpi radialis muscle.