Push herself into VERSUS push itself into

[ada]

English Grammar Tests, Elementary Level

ESL/EFL Test #40 "Reflexive Pronouns", question 7

His sister said she would like to push ......... into the air and fly but she was too frightened.

(a) itself
(b) himself
(c) herself

English Grammar Tests, Elementary Level

ESL/EFL Test #40 "Reflexive Pronouns", answer 7

His sister said she would like to push herself into the air and fly but she was too frightened.

Correct answer: (c) herself

Your answer was: incorrect
His sister said she would like to push itself into the air and fly but she was too frightened.
_________________________

why is incorrect?

ada

[Conchita]

'Itself' is the reflexive pronoun referring to a thing or animal.

'Herself' refers to a female subject ('his sister' in the test sentence).

[Saneta]

Please explain:,, to push herself into the air '?