Related by context. Frequent words. (Click for all words.) 53 spasming 51 adrenaline 50 adrenalin 49 nervous tic 49 bloodflow 49 tingling sensations 48 fast twitch muscles 48 tingly feeling 47 endorphin rush 47 novocaine 47 veins 46 tingled 46 respirations 46 releases endorphins 46 spasmed 45 digestive organs 45 throbbing 45 relaxes muscles 45 Lifting weights 45 dry heaves 45 numb 45 Endorphins 44 palpitation 44 paresthesia 44 adrenaline flowing 44 muscle cramping 44 tingles 44 tenseness 44 teeth clenched 44 Visceral fat 44 detoxifies 44 blood lactate 43 heartrate 43 fluids 43 fluid 43 endorphins 43 cortisol hormone 43 seratonin 43 palpitating 42 twitch 42 adrenalin pumping 42 edema swelling 42 coagulates 42 profuse sweating 42 twitches 42 wooziness 42 Numbness 42 blood 41 ripped abs 41 Nerve cells 41 varicose 41 Physiologically 41 throbbing headache 41 hipbone 41 medulla 41 coursing 41 blood splattering 41 Aerobic exercise 41 catecholamines 41 adrenaline rushes 41 twitching 40 perspire 40 prana 40 mood enhancer 40 chattering teeth 40 achy joints 40 excitability 40 oxygenated blood 40 endorphin 40 aching joints 40 hormone cortisol 40 ached 40 nerve endings 40 adrenals 40 perfused 40 exertion 40 nervous twitch 40 pulseless 40 muscles tendons 40 pumpin 40 Scar tissue 40 adrenaline pumping 40 moistens 40 Perspiration 40 electrical conduction 40 achiness 40 physical exertion 40 tingly 39 numbing 39 heart 39 throb 39 catecholamine 39 flushed cheeks 39 glycogen stores 39 phlebitis 39 venous blood 39 aids digestion 39 aching 39 pulsing 39 synovial fluid 39 extremities