03-00-C: Brachial Plexus Ennervations

Question 1

Musculocutaneous Nerve (C5, C6)

Answer 1

• Coracobrachialis
• Biceps Brachii
• Brachialis

Question 2

Axillary Nerve (C5, C6)

Answer 2

• Teres Minor
• Anterior Deltoid
• Middle Deltoid
• Posterior Deltoid

Question 3

Radial Nerve (C6, C7, C8, T1)

Answer 3

• Triceps Brachii
• Anconeus
• Brachioradialis
• Supinator
• Extensor Carpi Radialis Longus (ECRL)
• Extensor Carpi Radialis Brevis (ECRB)
• Extensor Carpi Ulnaris (ECU)
• Extensor Digitorum Communis (EDC)
• Extensor Digitorum Indicis (EDI)
• Extensor Digiti Minimi (EDM)
• Abductor Pollicis Longus (APL)
• Extensor Pollicis Brevis (EPB)
• Extensor Pollicis Longus (EPL)

Question 4

Median Nerve (C6, C7, C8, T1)

Answer 4

• Pronator Teres
• Pronator Quadratus
• Flexor Carpi Radialis (FCR)
• Palmaris Longus
• Flexor Digitorum Superficialis (FDS)
• Flexor Digitortum Profundus (Digits 2-3) (FDP)
• Flexor Pollicis Longus (FPL)
• Flexor Pollicis Brevis (FPB)
• Abductor Pollicis Brevis (APB)
• Opponens Pollicis (OP)
• Lumbricals (Digits 2-3)

Question 5

Ulnar Nerve (C8, T1)

Answer 5

• Flexor Carpi Ulnaris (FCU)
• Flexor Digitorum Profundus (Digits 4-5) (FDP)
• Flexor Digiti Minimi (FDM)
• Abductor Digiti Minimi (ADM)
• Opponens Digiti Minimi (ODM)
• Lumbricals (Digits 4-5)
• Palmar Interossei
• Dorsal Interossei
• Adductor Pollicis