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Hand And Wrist Anatomy

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Wrist x-ray with labeled osseous anatomy[1]
Bones of the hand and wrist[2]
Illustration of the carpal tunnel overlying an MRI of the wrist[3]

Muscles

Muscles that act at the Wrist

Extrinsic Muscles of the Hand

Intrinsic Muscles of the Hand

Anatomy of the TFCC[4]
Intrinsic muscles of the hand[5]

Bones

Arterial supply of the hand and wrist[6]

Joints

Wrist Joint

Intercarpal Joints

Hand and Fingers

Nerves of the hand and wrist
Distal ulna and distal radioulnar joint with TFCC[7]
The bone structure of the human hand including the forearm and wrist[8]
Innervation of the wrist and hand[9]

Ligaments

Forearm

Distal Radioulnar Ligaments

Ulnocarpal Ligamentous Complex

  • Ulnocapitate Ligament
  • Ulnotriquetral Ligament
  • Ulnolunate Ligament
  • Ulnopisiform Ligament

Palmar Radiocarpal Ligament Complex

Dorsal Carpal Ligaments

Other Wrist

Interosseous Intercarpal Ligaments

Palmar Midcarpal Ligaments

Pisiform Ligament Complex

Ligaments of the Metacarpophalangeal Joints

Ligaments of the Thumb

Other

Nerves

Bones and joints of the hand[10]
Intrinsic muscles of the hand[10]
Nerves of the hand and wrist[10]

Vascular Supply

Other Anatomic Structures

Bursae

  • Ulnar Bursa (common flexor tendon sheath)
  • Radial Bursa (flexor pollicis longus sheath)
  • Intermetacarpal bursae
  • Dorsal wrist bursae (beneath extensor tendons)
  • Bursa of extensor pollicis brevis and abductor pollicis longus

Other

Digits

Biomechanics

Arterial supply of the hand[10]
Carpal tunnel anatomy[10]

Wrist/Hand

  • Flexion: 80°
  • Extension: 70°
  • Pronation/Supination: 70-85°
  • Ulnar Deviation: 30°
  • Radial Deviation: 15-20°

Fingers

  • Flexion: 80°
  • Extension: 80°
  • Abduction: 20–30°
  • Adduction: 0°

Thumb

  • Abduction: 60–70°
  • Adduction: 30°
  • Opposition: Able to touch pinky with thumb

See Also

Internal

External

References

  1. ↑ Copeland, John, and Doug W. Byerly. "Wrist imaging." (2020).
  2. ↑ Anatomical Chart Company. Copyright © 2008 Wolters Kluwer Health.
  3. ↑ Image courtesy of orthobullets.com
  4. ↑ Image courtesy of https://musculoskeletalkey.com/, Triangular Fibrocartilage Complex Injuries
  5. ↑ image courtesy of /meddists.com/
  6. ↑ Case courtesy of Sachi Hapugoda, Radiopaedia.org, rID: 55264
  7. ↑ Richards, Todd A., and D. Nicole Deal. "Distal ulna fractures." The Journal of hand surgery 39.2 (2014): 385-391.
  8. ↑ Tong, Qianqian, et al. "Survey on hand-based haptic interaction for virtual reality." IEEE Transactions on Haptics 16.2 (2023): 154-170.
  9. ↑ Wu, Wei-Ting, et al. "Ultrasound imaging and guidance for distal peripheral nerve pathologies at the wrist/hand." Diagnostics 13.11 (2023): 1928.
  10. ↑ 10.0 10.1 10.2 10.3 10.4 Bazira, Peter J. "Surgical anatomy of the hand." Surgery (Oxford) 40.3 (2022): 155-162.
Created by:
John Kiel on 7 November 2019 18:02:29
Authors:
Last edited:
7 March 2026 15:36:55
Categories:
Anatomy | Finger | Hand | Wrist | Upper Extremity
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