( ( ( ( Help them ) ( to ( the conclusion ) ) ) ( that ( ( the muscles ) ( are ( what ( allow ( the movement ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Help) (NP (PRP them)) (PP (TO to) (NP (DT the) (NN conclusion))) (SBAR (IN that) (S (NP (DT the) (NNS muscles)) (VP (VBP are) (SBAR (WHNP (WP what)) (S (VP (VBP allow) (NP (DT the) (NN movement))))))))) (. .)))
Help them to the conclusion that the muscles are what allow the 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)))))))) (. .)))