Muscle | Origin | Insertion | Function |
1st Layer/ M. Pronator teres | Epicondylus medialis humeri; Proc. coronoideus ulnae | Facies posterior et lateralis radii | Flexio antebrachii; Pronatio antebrachii |
1st Layer/ M. Flexor carpi radialis | Epicondylus medialis humeri; Fascia antebrachii | Basis ossis metacarpalis II et III | Flexio manus; Abductio manus |
1st Layer/ M. Palmaris longus | Epicondylus medialis humeri | Aponeurosis palmaris | Flexio manus |
1st Layer/ M. Flexor carpi ulnaris | Epicondylus medialis humeri; Olecranon; margo posterior ulnae | Os pisiforme; Os hamatum; Os metacarpale V | Flexio manus; Adductio manus |
2nd Layer/ M. Flexor digitorum superficialis | Epicondylus medialis humeri | Basis phalangis mediae II-V | Flaxio phalangis mediae; Flexio phalangis proximalis; Flexio manus |
3rd Layer/ M. Flexor digitorum profundus | Facies anterior ulnae; Membrana interossea antebrachii | Basis phalangis distalis II-V | Flexio phalangis distalis; Flaxio phalangis mediae; Flexio phalangis proximalis; Flexio manus |
3rd Layer/ M. Flexor pollicis longus | Facies anterior radii; Membrana interossea antebrachii | Basis phalangis distalis pollicis | Flexio phalangis distalis et proximalis pollicis; Flexio pollicis; Flexio manus |
4th Layer/ M. Pronator quadratus | Facies anterior ulnae | Facies anterior radii | Pronatio antebrachii |