FSHP Academy
Human Anatomy — all lessons

Foundations of Anatomy

Anatomical terminology, planes, axes and movement directions

The Skeletal System

Skeletal system: structure and functionsBone structure, remodelling and adaptation to loading

Joints and the Muscular System

Joint types and classificationJoint mechanics: arthrokinematics and stabilityThe muscular system: organisation and major muscle groupsMuscle architecture: pennation, length and cross-sectional areaMuscle fibre types

Regional Functional Anatomy

Spine and postureThe shoulder complexThe hip complexThe knee complexThe ankle and foot complexCore and pelvic stabilityElbow and wrist functional anatomyCervical and thoracic spine functional anatomy

Elbow and wrist functional anatomy

The elbow complex, radio-ulnar joints, wrist and hand — their structure, muscles, common overuse problems and implications for gripping, pressing and pulling.

Intermediate Evidence: Established consensus 3 min read Reviewed 2026-10-31 Status: draft

Learning objectives

  • Describe the joints of the elbow complex and forearm
  • Identify the main elbow, forearm and wrist muscles by action
  • Explain the carrying angle and grip mechanics
  • Recognise common overuse conditions and when to refer

Before this lesson

Why this matters

Almost every upper-body exercise depends on the elbow, forearm and grip. Overuse problems here are common in lifters, climbers and racquet-sport players.

Fundamental concepts

JointTypeMotion
Humero-ulnarHingeFlexion/extension
Humero-radialHinge + pivotFlexion/extension, rotation of radius
Proximal & distal radio-ulnarPivotPronation/supination
Radiocarpal (wrist)CondyloidFlexion/extension, radial/ulnar deviation

With the elbow extended and palm forward, the forearm angles slightly outward — the carrying angle [neumann2017].

Muscles

  • Elbow flexors: brachialis (main flexor in all positions), biceps brachii (also strongest supinator), brachioradialis (strongest in neutral grip).
  • Elbow extensors: triceps brachii, anconeus.
  • Forearm rotators: supinator, biceps (supination); pronator teres and pronator quadratus (pronation).
  • Wrist flexors arise from the medial epicondyle; wrist extensors from the lateral epicondyle [openstax2022musc].

Grip mechanics

Finger flexors cross the wrist. With the wrist slightly extended, they are at a favourable length; full wrist flexion makes grip weak (active insufficiency). Wrist extensors therefore work hard during every firm grip — one reason the lateral elbow is loaded in racquet sports and repetitive manual tasks.

Practical application

Common mistakes and misconceptions

Case study

A recreational climber develops lateral elbow pain after increasing indoor sessions from two to five per week. The trainer reduces climbing volume, adds isometric then slow eccentric-concentric wrist-extensor loading, and grip work with a neutral wrist, coordinating with a physiotherapist.

Further learning: video lessons

Video links are only marked “verified” after a human has watched them. Unverified entries open a YouTube search for that channel and topic rather than a guessed link.

Introductory needs verification — opens a YouTube search

Elbow and forearm anatomy

Kenhub

You will understand: joints and muscles of the elbow and forearm

Why: Clear anatomical visuals.
Practical demo needs verification — opens a YouTube search

Tennis elbow rehab exercises

E3 Rehab

You will understand: progressive loading for lateral elbow pain

Why: Evidence-informed physiotherapy content.

Knowledge check

Knowledge check · 0/5

1. Pronation and supination occur at the…

Answer B. The radius rotates around the ulna at the proximal and distal radio-ulnar joints.

2. Which muscle flexes the elbow regardless of forearm position?

Answer B. Brachialis inserts on the ulna, which does not rotate, so its action is unaffected by forearm rotation.

3. Grip strength is greatest with the wrist in…

Answer B. Slight extension keeps the finger flexors at a favourable length.

4. Lateral elbow tendinopathy mainly involves the tendon of…

Answer A. The common extensor origin, especially ECRB, is typically involved.

5. The carrying angle refers to…

Answer B. The forearm angles slightly away from the body in full extension.

Short-answer & application questions

  1. Explain why a neutral-grip pull-up may be more comfortable than a pronated grip for some clients.
  2. Describe grip-strength training options for a racquet-sport athlete.
  3. What symptoms suggest nerve involvement rather than tendon pain at the elbow?

Key takeaways

  • The elbow complex includes humero-ulnar and humero-radial joints (flexion/extension) and the proximal radio-ulnar joint (pronation/supination).
  • Brachialis is the main elbow flexor in every forearm position; biceps also supinates.
  • Wrist extension during gripping optimises finger-flexor length and grip strength.
  • Lateral elbow tendinopathy is common in racquet sports and manual work; load management and progressive loading are the mainstay.

Connected topics

anatomy

The shoulder complex

corrective exercise · planned

Elbow and wrist

assessment

Muscular strength, endurance and power assessments

racquet sports · planned

Movement patterns unique to racquet sports

References

  1. Neumann DA (2017). Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation (3rd ed.). Elsevier. Textbook check pending
  2. Betts JG, Young KA, Wise JA, et al. (2022). Anatomy and Physiology 2e — Section 11.5: Muscles of the Pectoral Girdle and Upper Limbs. OpenStax, Rice University. · Link Textbook check pending

Educational content only — not medical advice. Consult a qualified clinician for diagnosis or treatment.