( ( Through ( this tunnel ) ) ( ( ( passes ( the felxor ) ) ( tendons ( which ( connect ( ( muscles ( in ( the fingers ) ) ) ( to ( make ( movement possible ) ) ) ) ) ) ) ) . ) )
(ROOT (SINV (PP (IN Through) (NP (DT this) (NN tunnel))) (VP (VBZ passes) (NP (DT the) (NN felxor))) (NP (NNS tendons) (SBAR (WHNP (WDT which)) (S (VP (VBP connect) (S (NP (NP (NNS muscles)) (PP (IN in) (NP (DT the) (NNS fingers)))) (VP (TO to) (VP (VB make) (S (NP (NN movement)) (ADJP (JJ possible)))))))))) (. .)))
Through this tunnel passes the felxor tendons which connect muscles in the fingers to make movement possible.
(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)))))))) (. .)))