In looking at the crucifix, consider meditating on the sufferings of Jesus, His Passion.
In due time, many make the decision to rebel against God, to allow sin to fester from within.
To prevent this to happen, many years ago I developed this meditation that helps me when looking at a crucifix:
The crowning of thorns and the wounds on his head reflects the suffering he bore because of what we place in our head. When we allow garbage to come in, eventually the garbage manifests itself as it fills the heart.
His right hand (wrist) nailed to the cross reflects the things we did that caused sin, his left hand (wrist) nailed to the cross reflects the things we failed to do.
Study the feet, sometimes you will see a crucifix with the left over right, sometimes we might see the feet fastened separately.
Either way, this reflects our choosing to walk a wrong path, a rabbit trail.
Consider the lance through the heart, how the Sacred Heart of Jesus loves us all so much, yet we have hardened our hearts against him choosing to sin. There is so much we can meditate on using the crucifix.
Christ on the cross hung there naked reminding us of our own shame, for times we sinned against the flesh.