[header] How to dig a volleyball [title] Study the opposing hitter (s). [step] Watch him/her in warmups before the game even starts, if you can. Watch his/her hitting motion on spikes and take note of any tendencies that might give you a split-second advantage in knowing where a spike is headed. 
[substeps] Keep an eye out for " tells. " does he strongly favor spiking to his left? Does she exaggerate her backswing when faking a spike? [title] Watch the hitter's motion as you prepare to dig.