( ( Tendonitis ( of ( the ( triceps ( or ( tennis elbow ) ) ) ) ) ) ( ( is ( ( a ( serious condition ) ) ( -LRB- ( ( pain ( around ( ( the ( elbow area ) ) ( that ( ( extends ( ( up or ) down ) ) ( ( ( the upper ) and ) ( lower arm ) ) ) ) ) ) ) -RRB- ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Tendonitis)) (PP (IN of) (NP (DT the) (NNS triceps) (CC or) (NN tennis) (NN elbow)))) (VP (VBZ is) (NP (NP (DT a) (JJ serious) (NN condition)) (PRN (-LRB- -LRB-) (NP (NP (NN pain)) (PP (IN around) (NP (NP (DT the) (NN elbow) (NN area)) (SBAR (WHNP (WDT that)) (S (VP (VBZ extends) (ADVP (RB up) (CC or) (RB down)) (NP (NP (DT the) (JJ upper)) (CC and) (NP (JJR lower) (NN arm))))))))) (-RRB- -RRB-)))) (. .)))
Tendonitis of the triceps or tennis elbow is a serious condition (pain around the elbow area that extends up or down the upper and lower arm).
(ROOT (S (NP (DT The) (NNS triceps)) (VP (VBP help) (S (NP (DT the) (NN body)) (VP (VB extend) (NP (DT the) (NN arm))))) (. .)))