The lumbricals manus (of the central compartment group) are stretched with extension of fingers #2-5 at the metacarpophalangeal joints and flexion of fingers #2-5 at the interphalangeal joints.
The central compartment is composed of the:
- adductor pollicis
- lumbricals manus
- palmar interossei
- dorsal interossei manus
![The lumbricals manus (of the central compartment group) are stretched with extension of fingers #2-5 at the metacarpophalangeal joints and flexion of fingers #2-5 at the interphalangeal joints.](https://learnmuscles.com/wp-content/uploads/2017/10/Lumbricals-manus-stretch-1024x798.jpg)
The lumbricals manus (of the central compartment group) are stretched with extension of fingers #2-5 at the metacarpophalangeal joints and flexion of fingers #2-5 at the interphalangeal joints.