Effectiveness of EE With Vibration Versus Cryotherapy in Rectus Abdomini Muscle Thickness and Inter-recti Distance

Inclusion Criteria: * Sports people * Positive initial ultrasound diagnosis * Presence of degenerative changes at achilles mid portion * Chronic Achilles tendon pain, (3/10 VAS) * Pain when walking or running of Achilles tendon, (3/10 VAS) * Pain in load in plantar flexion of Achilles tendon, 3/10 VAS) * Pain in palpation of Achilles, (3/10 VAS) * Morning Stiffness Exclusion Criteria: * Receive physical, orthotic or physiotherapeutic treatment * Asociated low back pain, ankle/knee/hip injury that may affect the study * Previous injury or surgery of Achilles tendon. * Pathologies that may limit the joint of ankle * Pregnancy * Obesity * Patients with diabetes and/or other endocrine or metabolic pathologies or neurologic pathologies * Patients diagnosed with cardiovascular disease * Subjets diagnosed with familiar hypercholesterolemia and/or presence of xanthomas or with hyperuricemia * Patients who have received renal transplantation * Subjects who have suffered retinal detachment * Subjects who have received oral contraceptives, statins, corticoids or hormone replacement therapy in the last six months * Subjects who have received treatment wiht fluoroquinolones in the last two years * Subjects who have received treatment with AINE's in the last four weeks