HELP

Georgia422016

so im looking for some advice on how i can lower my bf level while gaining muscle mass, im looking to achive a very fit physic (crossfit kind of body)
im a 18 year old woman
i weigh 51kg 19%body fat
i have been actively doing fitness for 2 years and have made considerable changes to myi fitness level but i, looking to improve further and step it up a bit
my current fittness regime is:
weight lifting (whole body) twice a week
LISS once a week (6 miles on the crosstrainer)
HIIT once a week
Yoga session once a week
(i take 3 rest days)

im really struggling with finding a good weight session regime to get good results, ive currently been doing:

squats
lunges
stiff legged dead lift
calf raises
overhead press
bicep curl
chest press
tricep extension
bent dumbbell row
double leg lift
plank
crunches

i do 10 reps of each with 3 sets


would love some advice on how to improve, thanks

queenliz99

http://community.myfitnesspal.com/en/discussion/10347439/help#latest

Georgia422016

??...im asking about my weights regime here, hence why i put it in a different category, i just included background info from my other post so people could offer better advice - queenliz99