神経がひどく圧迫されていたため、手のひらに感覚がありませんでした。つまり、手に釘を打ち込まれても感じなかったでしょう。

The nerves were so badly compressed that I had no feeling on the palm of my hand. I mean, you could have pounded a nail through my hand and I wouldn't have been able to feel it.