In a statement, the military said more than 10 Palestinians tried to disrupt a force carrying out arrests in the village of Nabi Saleh and that one of them threw a rock at a soldier, striking him in the head.
Critics of Israel have contrasted her eight-month sentence with the nine months eventually served by an Israeli soldier who shot dead an injured Palestinian attacker as he lay on the ground.
Pollak is involved with Free the Tamimis, a campaign in support of Nabi Saleh and its residents.
Yet the 21-year-old volunteer medic was shot in the back while trying to reach wounded protesters.
The video of Tamimi's confrontation with the soldiers went viral, with some Israelis saying it was an example of the army not responding to provocations, but others saying the soldiers were humiliated.
Video live-streamed by a resident of Nabi Saleh showed a pool of blood where Tamimi had been shot, as well as almost a dozen Israeli soldiers crowding around the unresponsive young man apparently attempting to place him on a stretcher as Palestinians beseeched them to take Tamimi to a hospital for treatment. "They came many times to his house, they called his family, they threatened him and told them: 'We will kill him like we killed Ahmed Jarrar, ' Bilal Tamimi told MEE".
Israeli forces regularly carry out night raids in Palestinian-administered parts of the West Bank to arrest suspects they accuse of militant activities against Israel.
A relative of a Palestinian, who was killed by Israeli troops, reacts at a hospital in Ramallah, in the occupied West Bank June 6, 2018.
Israel Defense Forces investigators say initial findings show that 22-year-old Gazan nurse Razan Ashraf Najjar was not deliberately targeted but rather was inadvertently hit by gunfire during violence at the Gaza-Israel border last week.