KinectMD - πππππππππππππ (ππππ ) ππππππ ππππππ . π₯The gastrocnemius muscle is a unique muscle that has a medial and lateral head that originate from the distal end of the femoral condyles, respectively.
![Frontiers | An Identical Twin Study on Human Achilles Tendon Adaptation: Regular Recreational Exercise at Comparatively Low Intensities Can Increase Tendon Stiffness Frontiers | An Identical Twin Study on Human Achilles Tendon Adaptation: Regular Recreational Exercise at Comparatively Low Intensities Can Increase Tendon Stiffness](https://www.frontiersin.org/files/Articles/777403/fphys-12-777403-HTML/image_m/fphys-12-777403-g001.jpg)