Ill try but i think your reffering to Goosebumps.
Answer:
adjective
1.
(especially of a muscle) stretched tight or rigid.
"she tried to relax her tense muscles"
Similar:
taut
stretched tight
tight
rigid
stretched
strained
stiff
Opposite:
slack
loose
2.
unable to relax because of nervousness, anxiety, or stimulation.
"he was tense with excitement"
verb
become tense, typically through anxiety or nervousness.
"her body tensed up"
Tony what passage are you talking about try reposting your comment
About what? I cannot see a picture