Can you get a pinched never if your elbow was out of place? it's been 5 months and i still can't make a fist with arm extended or lift

Elbow.I: Of course but proper term is nerve impingement or crowding. All 3 nerves to hand- ulcer, radial and median nerve pass thru elbow. So consult family dr. Or neurologist. You can be tested with EMG and nc ( nerve conduction ) studies to determine which nerve is involved. Nerves have 3 functions- sensation to bone, skin but most importaint is motor power-makes muscles work. Is forearm smaller than o.