Barthel's serve - discuss
Yes it's reasonably good but let's go beyond that. When watching close up it seems that she sometimes starts to put effort and tense muscles at the point of releasing the ball rather than staying relaxed until her forward motion. Thoughts?
"These lifeforms feel such passionate hatreds over matters of custom, God concepts, even - strangely enough - economic systems." - Capt. J Piccard USS Enterprise
Darkness cannot drive out darkness; only light can do that. Hate cannot drive out hate; only love can do that. - Martin Luther King, Jr.