( ( ( use ( of finger ) ) ( to ( verify ( muscle movement ) ) ) ) . )
(ROOT (NP (NP (NN use)) (PP (IN of) (NP (NN finger))) (S (VP (TO to) (VP (VB verify) (NP (NN muscle) (NN movement))))) (. .)))
use of finger to verify muscle movement.
(ROOT (S (NP (JJ Intrinsic) (NNS muscles)) (VP (VBP allow) (NP (PRP$ your) (NNS fingers)) (S (VP (TO to) (VP (ADVP (RB also)) (VB make) (NP (NP (JJ precise) (NNS movements)) (PP (IN for) (NP (NNS actions)))))))) (. .)))