<unk>  is the most common injury involving a break in a<unk> .  It commonly occurs as a sports injury during explosive acceleration e.g. pushing off or jumping up.
Achilles tendon rupture
Quadriceps tendon rupture
Plantar fasciitis
Ulnar bone fracture
Sprained ankle
Iliotibial band syndrome
Achilles tendinitis
Adducted thumb syndrome