Syntax

Syntactic actants

Actant 1: whose arm or hand it is
(a) Genitive
(b) Possessive
Онђ опирђлась на рџку мџжа. She leaned on her husband's arm.
Её рџки покраснљли от хћлода. Her hands turned red from the cold.
NB When the word рукђ functions as a subject and does not have a descriptive modifier, the construction рукђ у + Genitive is often preferred to (a) and (b), above:
Рџки у неё покраснљли от хћлода. Her hands turned red from the cold.

Restrictive modifiers

(a) adjectival modifier
лљвая/прђвая рукђ the left/right arm/hand
Лљвая/прђвая рукђ у менї онемљла. My left/right arm went numb.