Standing calf raises. Stand with your feet hip-width apart and your back against a wall for support.
Toe raises. Sit on the edge of a chair with your feet flat on the floor. Raise your toes up off the ground, keeping your heels on the ground.
Ankle circles. Sit on the edge of a chair with your feet flat on the floor. Circle your ankles clockwise for 10 repetitions, then counterclockwise for 10 repetitions.
Resisted ankle inversion and eversion. Tie a resistance band around the ball of your foot and hold the other end of the band in your hand.
Single-leg balance. Stand on one leg with your other leg raised behind you. Hold for 30 seconds, then switch legs.
Squat jumps. Stand with your feet hip-width apart. Squat down, then jump up as high as you can. Land softly and repeat.
Walking lunges. Start standing with your feet together. Step forward with one leg, bending your knee until your thigh is parallel to the ground.
Mini-trampoline exercises. Jumping on a mini-trampoline is a great way to strengthen your ankles and improve your balance.