Human Anatomy and Histology · MU Plovdiv

20. Muscles of the forearm - groups, attachments, action, and nerve supply.

Inside: 5 sections · 7 labelled pictures · 6 tables · 13 flashcards · 6 min

Topic 20 of 212 in the MU Plovdiv syllabus for Human Anatomy and Histology (Medicine, Years 1 and 2). The free AceMed note covers it in 5 sections, about 102 words (6 min of reading), with 13 flashcards.

In this note

  1. FOREARM MUSCLES
  2. Anterior (flexor) muscles: (3 layers)
  3. Lateral muscles: (2)
  4. Posterior (Extensor) muscles: (10)
  5. ANTEBRACHIAL FASCIA

FOREARM MUSCLES

45+46

All anterior muscles innervated by Median n. except flexor carpi ulnaris & medial half of flexor digitorum profundus

  • Arm muscles control forearm actions
  • forearm muscles control wrist actions

Anterior (flexor) muscles: (3 layers)

→ Superficial:

Blood Supply:

Post. ulnar recurrent arts.

Ant. ulnar recurrent arts.

Recurrent ulnar art. + radial arteries

Brachial, ulnar & radial arteries

*Median nerve exits the cubital fossa by passing between the two heads of the muscle.

→ Intermediate:

→ Deep

45+46 cont.

Posterior (Extensor) muscles: (10)

→ Superficial layer:

carpi ulnaris → metacarpal V

carpi radialis → u. II & III

pollicis longus → thumb.

digitorum → 4 fingers.

45+46 cont 2

→ Deep layer

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