HB-007 · Skeletal · Part
Right upper limb skeleton
Also called: right arm bones Ossa membri superioris dextri
3D anatomy data Classes 6-8 · Classes 9-10 · Classes 11-12 Beginner Draft - educator review
3D is not available on this device, so a picture of the model is shown instead.
Parts: humerus; radius; ulna; carpals; metacarpals; phalanges
Drag to rotate · right-drag or two fingers to pan · scroll or pinch to zoom · click a part for details · keys: arrows rotate, + and - zoom, R resets, Esc clears.
About
The skeleton of the right upper limb runs from the humerus through the forearm bones to the hand.
- 📍 Where it is
- Right arm, forearm and hand.
- 🧱 Structure
- Humerus, radius (thumb side), ulna (little-finger side), 8 carpals, 5 metacarpals and 14 phalanges.
- ⚙️ What it does
- Lever system for lifting, reaching, writing and gripping.
💡 Key facts
- Each upper limb has 30 bones.
- The radius and ulna cross over when you turn the palm down.
- The elbow is a hinge joint between humerus and ulna.
✗ The "funny bone" is a bone
✓ It is the ulnar nerve passing close to the skin at the elbow.
📒 Words to know
- humerus
- upper arm bone
- radius
- thumb-side forearm bone
- phalanges
- finger bones
🏫 Related lessons
- Human body, senses and hygiene Classes 1-5
- Fundamental movement skills Classes 1-5
- Balance, coordination and posture Classes 1-5
- Anatomy, physiology and biomechanics Classes 11-12
Generic GayaGnan topic lessons. Check your own board's syllabus for the exact chapter.
🔎 Sources and credits
Catalog description: Bones from shoulder to fingers.
- OpenStax Anatomy and Physiology 2e, ch. 6-9 (bones, skeleton, joints) (accessed 2026-10-30)
- 3D models: BodyParts3D (DBCLS) and the Human Reference Atlas (HuBMAP), CC BY 4.0, with GayaGnan schematics. 3D model credits
For learning only. This site does not give medical advice, diagnosis or treatment, and it does not collect any health data.