Please choose the correct ending to complete the given sentence: Health: [header] How to know if you have a pinched nerve [title] Pay attention to muscle weakness. [step] Muscle weakness is a common symptom of a pinched nerve. Pay attention to any changes in your strength to determine if you may have a pinched nerve.

Ending1: [substeps] For example, if you have a pinched nerve in your wrist, then it may affect the function of your fingers and thumb and reduce your grip strength. [title] Look for a " pins and needles " sensation. Ending2: If your muscle weakness is after being injured, it might mean that you are perhaps experiencing it but are not aware of it in yourself. [substeps] Just as you might notice stiffness and stiff muscles in your legs, note any light buzzing that follows lightning bolts, mild nausea or vomiting. Ending3: Weakness is usually connected to stretching activities or not being able to do basic moves or lift a bar. [substeps] For example, you might notice that when you bend over, your upper back deflexes when your weight shifts. Ending4: [substeps] If your muscles are weak and you don't feel able to do the exercise, you may have a pinched nerve. If you ever feel pain, press your pinched nerve with your fingers to feel for any pain or pressure.

Answer format: ending1/ending2/ending3/ending4