Related by context. Frequent words. (Click for all words.) 47 neurotransmitter serotonin 45 cyclooxygenase 2 44 neuropeptides 43 proinflammatory cytokines 42 neurotransmitter dopamine 42 chemical messengers 42 skeletal muscles 41 neurotransmission 41 muscle 41 endocannabinoid system 41 L carnitine 40 fat oxidation 40 homeostatic 40 contractility 40 factor VEGF 39 skeletal muscle 39 Aerobic exercise 39 chemical serotonin 39 cytokines 39 metabolism 38 muscle rigidity 38 noradrenaline 38 progressive degeneration 38 neurotransmitter 37 chemical dopamine 37 Glutamate 37 thyroid hormones 37 modulating 36 muscular endurance 36 glutamate receptors 36 stimulates 36 myostatin 36 inhibiting 36 Lifting weights 36 neurochemistry 35 muscles tendons 35 vagus nerve 35 neurotransmitters 35 vasodilator 35 dopamine receptors 35 oxygen uptake 35 contractile 35 metabolically active 34 stimulating 34 strenuous exercise 34 leucine 34 microcirculation 34 sarcopenia 34 aerobic conditioning 33 sensory nerves 33 serotonin 33 dopamine 33 inhibits 33 inflammation 33 inhibitory 33 muscle cramping 33 nutrient absorption 33 glia 33 muscles 33 muscularity 33 lower esophageal sphincter 33 fetlock joint 33 regulating 33 modulate 33 inhibit tumor 33 modulates 33 muscle contractions 32 hip flexors 32 nitric oxide NO 32 catalysing 32 muscle atrophy 32 neurogenesis 32 hypertrophy 32 neuromuscular 32 serotonin receptors 32 Creatine 32 acetylcholine 32 vasodilation 32 neuroplasticity 32 neurochemical 32 aerobic fitness 32 synovial fluid 32 osteoblasts 31 muscle fibers 31 releases endorphins 31 musculature 31 articular cartilage 31 proprioception 31 deadens 31 connective tissues 31 strenuous workouts 31 muscle tissue 31 aerobic 31 inhibit 31 inhibition 31 boosting 31 enhancing 31 muscular 30 Stimulating 30 constraining 30 stimulator