Dylan Gee 🇬🇧🇳🇿 on Instagram: "5 core exercises for tennis players 🎾 40 seconds on, 20 seconds rest (Alternating sides, 20 seconds for each side) 1. Mountain climbers 2. Dead bug 3. Bird dog 4. Plank with variations 5. Sideways plank with variations Which of these are your favourite core exercise? ⬇️ #tennisfitness #core #coreexercises #tennis🎾 #tennisplayer #tennispro #tennislove #tennislifestyle #injuryprevention #fitness #tennisinjuryprevention #tennislover #tennisfit #tenniswithdylan"