Anatomy Standard

Anatomy Standard We are building the most accurate 3D model of the human body

29/09/2026

An anterior section of the spinal column during axial rotation, exposing the posterior longitudinal ligament behind the vertebral bodies.

The real-time range-of-motion sliders track the exact angular contribution of each spinal segment through the full rotational arc.

Captured inside our app, Biomechanics of the Spine.

Get the app here: https://linktr.ee/anatomystandard

17/09/2026

Check out the isolated rotator cuff in action during arm circumduction, as requested by .vlah

rotatorcuffsurgery anatomystandard shoulder

16/09/2026

With the trapezius and deltoid removed, arm circumduction reveals the exact sequential engagement of the rotator cuff.

As the humerus traces a circle with minimal clavicular movement, supraspinatus, infraspinatus, teres minor, and subscapularis fire in precise succession to lock the humeral head into the glenoid cavity.

Tell us what anatomical movement to break down next in the comments below.

03/09/2026

A close-up look at how the patella glides through the femoral groove during knee flexion and extension, acting as a fulcrum to give the quadriceps maximum mechanical advantage.

Captured inside our app, Knee Biomechanics with Dr. Bertram Zarins.

orthopedics 3danimation

28/08/2026

Looking from the front and above gives an unobstructed view of how the biceps tendons and rotator cuff handle arm flexion and extension.

​Shoutout to on Twitter for suggesting this angle!

​What muscle or movement would you like us to demonstrate next? Drop your ideas below! 👇

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19/08/2026

Watch the arm swing through its natural range of motion into flexion and extension with minimal scapular compensation.

Which layer gives you the best understanding of joint movement—full muscle, deep layer, or pure bone? Let us know in the comments below! 👇

Share this reel with a trainer, PT, or student who needs a clear visual of shoulder biomechanics.

14/08/2026

Watch the jaw move through a full cycle of opening and closing as we build the primary muscles of mastication layer by layer.

First, the temporalis muscle appears, showing its powerful fan-shaped fibers elevating the mandible and pulling it backward. Next, the masseter muscle joins in, demonstrating how its thick, superficial fibers deliver the heavy crushing force needed for chewing. Seeing these two jaw elevators work together in real-time highlights the incredible mechanical efficiency of the human bite.

Share this reel with a dentist, PT, or student who needs a clear visual of jaw muscle mechanics.

dentalanatomy dentistry physicaltherapy 3danimation

04/08/2026

Open for anatomical 3D animation commissions.

We build high-fidelity 3D anatomical and biomechanical animations tailored to your products, hardware, surgical techniques, or research.

DM us or email [email protected] for inquiries and proposals.

28/07/2026

Watch the superficial deltoid fade away to reveal how the pectoralis major dynamically wraps around both heads of the biceps tendon.

By removing the pec major and the ribcage, we uncover the deep layer in action. You can see the biceps brachii, coracobrachialis, latissimus dorsi, and subscapularis working together. Stripping back these structural layers in motion gives an unmatched look at how global power drivers interact with deep joint stabilizers.

Which muscle layer surprised you the most here? Let us know in the comments below!

Share this reel with a trainer, PT, or anatomist who needs a clear visual of anterior shoulder mechanics.

09/07/2026

Peeling Back the Shoulder: Deep Rotation

Watch the superficial deltoid fade away to reveal the deep rotator cuff muscles controlling internal and external rotation of the humerus.

As the bone rotates along its longitudinal axis, you can clearly see how these deep muscles dynamically contract to keep the humeral head perfectly centered in the socket. This precise tracking is exactly what prevents friction and impingement under load.

Can you name all four deep muscles working under the deltoid here? Drop them in the comments! 👇

Share this reel with a trainer, physical therapist, or athlete who needs a clear visual of deep shoulder rotation.

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