slideshow: elbow joint

The Elbow Joint

Elbow Joint

Elbow Joint

Synovial joint

Elbow Joint

Synovial joint

Junction between the arm and forearm

Elbow Joint

Synovial joint

Junction between the arm and forearm

Posterior view

Elbow Joint

Three articulations

1.Humerus and Ulna

Elbow Joint

Three articulations

1.Humerus and Ulna

2.Humerus and Radius

Elbow Joint

Three articulations

1.Humerus and Ulna

2.Humerus and Radius

3.Radius and Ulna

Elbow Joint

1.Humerus and Ulna

Elbow Joint

1.Humerus and Ulna

Distal Humerus

Elbow Joint

1.Humerus and Ulna

Distal Humerus

Proximal Ulna

Elbow Joint

1.Humerus and Ulna

Uniaxial Hinge Joint

Distal Humerus

Proximal Ulna

Elbow Joint

1.Humerus and UlnaUniaxial Hinge JointPermits Extension

Elbow Joint

1.Humerus and UlnaUniaxial Hinge Jointpermits Extension and Flexion

Elbow Joint

1.Humerus and UlnaUniaxial Hinge Jointpermits Extension and Flexion

Humerus

Elbow Joint

1.Humerus and UlnaUniaxial Hinge Jointpermits Extension and Flexion

Humerus

Ulna

Elbow Joint

1.Humerus and Ulna

Distal Humerus

Elbow Joint

1.Humerus and Ulna

Trochlea of distal humerus

Trochlea

1.Humerus and Ulna

Trochlea of distal humerus articulates withProximal Ulna

Elbow Joint

Proximal Ulna

Elbow Joint

1.Humerus and Ulna

Coronoid Process of Proximal Ulna

1.Humerus and Ulna

Coronoid Process of Proximal Ulna articulates with

Coronoid Fossaanterior aspect of Distal Humerus

Elbow Joint

1.Humerus and Ulna

Elbow JointPosterior view

1.Humerus and Ulna

Elbow JointPosterior view

Trochlea

1.Humerus and Ulna

Olecranon fossa of Distal Humerus

Elbow JointPosterior view

1.Humerus and Ulna

Olecranon fossa of posterior aspect Distal Humerusarticulates with

Olecranon Process of Proximal Ulna

Elbow JointLateral view

2. Humerus and Radius

Elbow Joint

2. Humerus and Radius

Capitulum ofDistal Humerus

Elbow Joint

2. Humerus and Radius

Capitulum ofDistal Humerusarticulates with

Head of Proximal Radius

Elbow Joint

Elbow Joint3. Radius and UlnaRotation of the Radius about the Ulna

permits Supination

Elbow Joint3. Radius and UlnaRotation of the Radius about the Ulna

permits Supination and Pronation

Elbow Joint

Supination Pronation

Elbow Joint

Supination

Pronation

Ligaments

Elbow Joint

Medial Aspect

Elbow Joint

Medial Aspect

Capsule

Elbow Joint

Medial Ligament orUlnar Collateral Ligament

3 components

Anterior Band

Anterior band is from the medial epicondyle of humerus to coronoid process on ulna

Elbow Joint

Medial Ligament orUlnar Collateral Ligament

3 components

Anterior Band

Posterior Band

Posterior band is from the sublime tubercle on the coronoid to the medial border of the olecranon

Elbow Joint

Medial Ligament orUlnar Collateral Ligament

Anterior Band

Posterior Band

Middle Band

Middle band is deeper and connects the other two bands

Elbow Joint

Lateral Aspect

Elbow Joint

Lateral Ligament orRadial Collateral Ligament

Capsule

Elbow Joint

Lateral Ligament orRadial Collateral Ligament

Annular Ligament

The annular ligament attaches to the margins of the radial notch on the ulna

and surrounds the radial head and neck

Elbow Joint

Lateral Ligament orRadial Collateral Ligament

Annular Ligament

Lateral Ligament

Lateral ligament is from Lateral Epicondyle on Distal Humerus

and fuses with Annular Ligament