Musculoskeletal System - Weird Anatomic Landmarks

Question 1

Cubital Tunnel

Answer 1

Formed by:
- UCL
- FCU
- Medial Head of Triceps
- Medial Epicondyle
Contents:
- Ulnar N

Question 2

Cubital Fossa

Answer 2

Formed by:
- Brachioradialis
- Pronator Teres
- Brachialis
- Horizontal line passing thru both epicondyles
Contents:
- Biceps Brachii Tendon
- Median Nerve
- Radial Nerve
- Brachial Artery
- Median Cubital Vein

Question 3

Tunnel of Guyon

Answer 3

Formed by:
- Hook of Hamate
- Pisiform
- Palmar Carpal Ligament
- Flexor Retinaculum
Contents:
- Ulnar Nerve and Artery
Notes:
- Compression of this landmark can cause Ulnar Tunnel Syndrom

Question 4

Anatomic Snuffbox

Answer 4

Formed by:
- Extensor Pollicis Longus and Brevis
- Abductor Pollicis Longus
Notes:
- Scaphoid can be palpated here if suspected fracture.

Question 5

Femoral Triangle

Answer 5

Formed by:
- Inguinal Ligament
- Sartorius
- Adductor Longus
Contents:
- Femoral Artery, Nerve and Vein
- Lymph Glands

Question 6

Arcuate Ligament Complex

Answer 6

Formed by:
- Arcuate ligament
- Popliteus
- Lateral Head of the Gastrocs
- LCL
- Oblique Popliteal Ligament
Notes:
- Supports the posterolateral joint capsule.