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A living orthopaedic atlas

Exam-focused orthopaedic references, a question bank, viva practice, and spaced-repetition revision — with every clinical claim traceable to its source. Content is educational only and is not a substitute for local supervision, clinical judgement, or institutional policy.

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Evidence. Clarity. Practice.

© 2026 OrthoVellum. For educational purposes only.

Not medical advice. Verify clinically important information against current local guidance.

Blueprint map

ABOS / US Boards blueprint

The full syllabus mapped to verified OrthoVellum content. Each subspecialty shows study-map weighting, assessment formats and the topic references that cover it.

Domains
11

Subspecialty blueprint buckets

Topics
1,076

Mapped topic references

High-yield
693

Priority A topics highlighted

How to read the map

Start with weighting

Use the percentage as a planning signal, not an official mark allocation.

Check formats

Format chips show where that domain is commonly assessed.

Open the topic

Each mapped item links directly into the reference library for study.

ABOS / US Boards
High-yield evidenceOfficial exam blueprint source

Adult Trauma

200 topics · 139 high-yield

16% study map
ABOS Part I - Written CertificationABOS Part II - Case-List Oral ExaminationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification
  • Acetabular Fractures
  • Distal Femur Fractures
  • Femoral Shaft Fractures
  • Neck of Femur Fracture
  • Pelvic Ring Injuries
  • Tibial Plateau Fractures
  • Tibial Shaft Fractures
  • Open Fracture Classification and Management

General Principles

194 topics · 138 high-yield

12% study map
ABOS Part I - Written CertificationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification
  • Bone Composition and Structure
  • Bone Healing and Fracture Biology
  • Clinical Practice Guidelines
  • Evidence-Based Orthopaedics and Critical Appraisal
  • P-Values and Confidence Intervals
  • Trauma Imaging
  • Fracture Healing
  • Osteoarthritis Pathophysiology

Pediatrics

155 topics · 82 high-yield

12% study map
ABOS Part I - Written CertificationABOS Part II - Case-List Oral ExaminationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification
  • Adolescent Idiopathic Scoliosis
  • Cerebral Palsy
  • Clubfoot (Congenital Talipes Equinovarus)
  • Developmental Dysplasia of the Hip (DDH)
  • Legg-Calvé-Perthes Disease
  • Paediatric Femur Fractures by Age
  • Slipped Capital Femoral Epiphysis (SCFE)
  • Supracondylar Humerus Fracture

Adult Reconstruction

95 topics · 65 high-yield

11% study map
ABOS Part I - Written CertificationABOS Part II - Case-List Oral ExaminationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification
  • Hip Osteoarthritis
  • Revision Total Hip Arthroplasty
  • Revision Total Knee Arthroplasty
  • TKA Periprosthetic Joint Infection
  • Total Hip Arthroplasty Indications
  • Total Hip Arthroplasty: Dislocation
  • TKA Aseptic Loosening
  • Total Knee Arthroplasty Indications

Adult Spine

83 topics · 60 high-yield

9% study map
ABOS Part I - Written CertificationABOS Part II - Case-List Oral ExaminationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification
  • Adult Spinal Deformity
  • Cervical Myelopathy
  • Cervical Radiculopathy
  • Degenerative Spondylolisthesis
  • Lumbar Disc Herniation
  • Lumbar Spinal Stenosis
  • Metastatic Spine Disease
  • Spinal Cord Injury

Surgery of the Hand

95 topics · 53 high-yield

9% study map
ABOS Part I - Written CertificationABOS Part II - Case-List Oral ExaminationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification
  • Carpal Tunnel Syndrome
  • De Quervain Tenosynovitis
  • Distal Radius Fractures
  • Scaphoid Fractures
  • Thumb UCL Injuries (Gamekeeper's/Skier's Thumb)
  • Dupuytren's Disease
  • Flexor Tendon Lacerations
  • Trigger Finger (Stenosing Tenosynovitis)

Orthopaedic Sports Medicine

81 topics · 53 high-yield

9% study map
ABOS Part I - Written CertificationABOS Part II - Case-List Oral ExaminationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification
  • Anterior Cruciate Ligament Injuries
  • Meniscus Tears
  • Multi-Ligament Knee Injuries
  • Patellofemoral Instability
  • Posterior Cruciate Ligament Injuries
  • SLAP Tears
  • Chronic Ankle Instability
  • Distal Biceps Rupture

Shoulder and Elbow

24 topics · 20 high-yield

7% study map
ABOS Part I - Written CertificationABOS Part II - Case-List Oral ExaminationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification
  • Anterior Shoulder Instability
  • Distal Humerus Fractures
  • Elbow Dislocations
  • Lateral Epicondylitis (Tennis Elbow)
  • Proximal Humerus Fractures
  • Rotator Cuff Tears
  • Shoulder Dislocations
  • Total Shoulder Arthroplasty

Foot and Ankle

69 topics · 29 high-yield

7% study map
ABOS Part I - Written CertificationABOS Part II - Case-List Oral ExaminationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification
  • Achilles Tendon Rupture
  • Adult Acquired Flatfoot Deformity
  • Ankle Fractures
  • Calcaneal Fractures
  • Diabetic Foot Ulcers
  • Hallux Valgus
  • Lisfranc Injuries
  • Hallux Rigidus

Orthopaedic Oncology

65 topics · 39 high-yield

5% study map
ABOS Part I - Written CertificationABOS Part II - Case-List Oral ExaminationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification
  • Biopsy Principles and Techniques in Orthopaedic Oncology
  • Chondrosarcoma
  • Ewing Sarcoma
  • Giant Cell Tumor of Bone
  • Limb Salvage Surgery Principles
  • Metastatic Bone Disease
  • Soft Tissue Masses and Sarcoma Referral Pathway
  • Osteosarcoma

Professionalism & Ethics

15 topics · 15 high-yield

3% study map
ABOS Part I - Written CertificationABOS Part II - Case-List Oral ExaminationAAOS OITE - In-Training ExaminationABOS WLA - Continuing Certification

    Weightings are an evidence-based approximation of blueprint emphasis for study planning, not official mark allocations. Topics are original syntheses with verifiable citations.