The start of a military trial for a Palestinian teenager charged after a viral video showed her hitting two Israeli soldiers has been delayed until February 6, her lawyer said Tuesday.

The trial of Ahed Tamimi, 16, had been due to begin on Wednesday. Her mother Nariman will also go on trial on February 6, their lawyer Gaby Lasky told AFP.

The Israeli military confirmed the date had been changed to February 6, adding it was postponed at Lasky's request.

Both Ahed Tamimi and her mother have been ordered to be held in custody throughout their trial.

Ahed Tamimi's cousin Nour Tamimi, 20, has also been charged in connection with the case, but has been freed on bail. Lasky said she too is to go on trial on February 6.

The UN Office of the High Commissioner for Human Rights has criticised Israeli authorities' actions in the case, while the European Union has expressed concern over Israel's detention of minors, including Ahed Tamimi.

Ahed Tamimi has been hailed as a hero by Palestinians who see her as bravely standing up to Israel's occupation of the West Bank.

Israelis accuse her family of using her as a pawn in staged provocations.

She has been charged with 12 counts including assault and could face a lengthy jail term if convicted.

The charges relate to events in the video and five other incidents. They include stone-throwing, incitement and making threats.

Ahed Tamimi's family says the December 15 incident that led to the arrests occurred in the yard of their home in Nabi Saleh, near Ramallah in the West Bank.

Israel's military said the soldiers were in the area to prevent Palestinians from throwing stones at Israeli motorists.

A video shows the cousins approaching two soldiers and telling them to leave before shoving, kicking and slapping them. Ahed Tamimi is the most aggressive of the two in the video.

The heavily armed soldiers do not respond to what appears to be an attempt to provoke rather than seriously harm them.

They then move backwards after Nariman Tamimi becomes involved.

The scuffle took place amid clashes and protests against US President Donald Trump's controversial recognition of Jerusalem as Israel's capital.

Relatives say that a member of the Tamimi family was wounded in the head by a rubber bullet fired during those protests. Eighteen Palestinians have been killed since Trump's declaration on December 6, most of them in clashes with Israeli forces. One Israeli has been shot dead since then.

Ahed Tamimi has been involved in a series of previous incidents, with older pictures of her confronting soldiers widely published.

She has become something of an icon for Palestinians who have flooded social media with praise and support.