Upper/Lower Limb — Flashcards

Flashcard 181: The rotator cuff muscles are innervated primarily by _____

Answer: C5-C6 ((nerve roots))

Flashcard 182: Tendonitis of which muscle presents as tenderness at the bicipital groove?

Answer: Biceps brachii (Long head)

Flashcard 183: The _____ nerve is commonly injured due a knee dislocation

Answer: common peroneal

Flashcard 184: What is the lateral border of the femoral triangle?_____

Answer: Sartorius muscle

Flashcard 185: Palsy of the deep radial nerve as it travels through the supinator canal most commonly manifests with "_____ drop"

Answer: finger

Flashcard 186: Acute gout will commonly manifest in the _____

Answer: 1st metatarsophalangeal (MTP) joint (Podagra)

Flashcard 187: Knee cartilage loss in osteoarthritis begins _____ ("bowlegged")

Answer: medially

Flashcard 188: What is the superior border of the femoral triangle?_____

Answer: Inguinal ligament

Flashcard 189: Which ligament of the ankle is the most commonly sprained overall?

Answer: Anterior talofibular ligament (ATFL)

Flashcard 190: Piriformis syndrome is caused by hypertrophy or injury to the piriformis muscle, compressing structures traveling through the **____**. Name the **8 structures** passing **below** the piriformis muscle:

Answer: Greater sciatic foramen 1. Sciatic nerve 2. Inferior gluteal nerve 3. Inferior gluteal vessels 4. Internal pudendal vessels 5. Pudendal nerve 6. Posterior cutaneous nerve of thigh 7. Nerve to obturator internus 8. Nerve to quadratus femoris

Extra: Structures passing through the greater sciatic foramen (GSF) are categorized by their relationship to the piriformis muscle: **Above Piriformis:** 1. Superior gluteal nerve 2. Superior gluteal artery 3. Superior gluteal vein **Below Piriformis:** 1. Sciatic nerve (most commonly compressed in Piriformis Syndrome) 2. Inferior gluteal nerve 3. Inferior gluteal vessels 4. Internal pudendal vessels 5. Pudendal nerve 6. Posterior cutaneous nerve of thigh 7. Nerve to obturator internus 8. Nerve to quadratus femoris *Note: The pudendal nerve and internal pudendal vessels pass out of the GSF and back into the lesser sciatic foramen to reach the perineum.*