Probably you could have hurt your elbow while lifting weights. Do you have tingling sensation in all the fingers in right hand or any particular finger?
Next Steps
You should give Ice therapy for your elbow thrice a day for 15-20 minutes.
You should do forearm, biceps and triceps stretching exercises.
Avoid lifting heavy weights on the affected side.
Avoid using high pillow.
Avoid lying on the affected side.
Health Tips
If the tingling sensation persists or aggrevates you need to consult a Physiotherapist or Orthopaedist for further evaluation and treatment either in person or through video call.