- NEW – APR custom view link added.
- NEW – Module 15. Regional Anatomy added for 3D Model of the Head and Neck.
- REVISION – Animations in the Muscular System for Back and Abdomen:
- Erector spinae group
- ADDED – Transversospinalis group
- External and internal abdominal oblique mm.
- Rectus abdominis m.
- REVISION – Animations in the Skeletal System for joint movements:
- Back, neck, and head
- ADDED – Atlanto-occipital and altanto-axial joints.
- Cervical intervertebral joints.
- Thoracic and lumbar intervertebral joints.
- Temporomandibular joint (TMJ)
- Upper Limp
- Carpometacarpal (CMC) joint of thumb
- Elbow joint
- Glenohumeral (shoulder) joint
- Interphalangeal (IP) joints of fingers 2-5
- Metacarpophalangeal (MP) joints of fingers 2-5
- Radio-ulnar joint
- Radiocarpal (wrist) joint
- Scapula
- Lower Limb
- Hip joint
- Intertarsal joints
- Interphalangeal (IP) joints to toes
- Knee join
- Talocrural (ankle) joint
- NEW – Submit feedback link added in APR help area.
- REVISION – Animations in the Muscular System for Upper Limb:
- Extensor digitorum and extensor digiti minimi mm.
- Flexor digitorum superficialis and profundus mm.
- Infraspinatus m.
- Subscapularis m.
- Supraspinatus m.
- NEW – APR 4.0 interface was updated for all users. Interface update included enhanced accessibility features including updated keyboard navigation and screen reader functionality.
- REVISION – Animations in the Muscular System for Upper Limb:
- Biceps brachii m.
- Brachialis m.
- Deltoid m.
- Latissimus dorsi m.
- Teres major m.
- Pectoralis major m.
- Rhomboid major and minor mm.
- Serratus anterior m.
- Trapezius m. (superior fibers).
- Trapezius m. (middle fibers).
- Trapezius m. (inferior fibers).
- Triceps brachii m.
