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Metabolic alterations in patients with spinal cord injury are associated, among others, with arterial hypertension, lipid alterations, hyperinsulinemia and glucose transport disorders, which can lead to diabetes. This may favor the appearance of obesity phenomena in this type of patients. The decrease in physical exercise can increase these complications. With an increase in the level of physical activity, caloric expenditure is increased, thus improving the transport of glucose in the blood and decreasing the processes of diabetes. In addition, movement components such as strength and endurance are improved, which provides an improvement in balance. Therefore, with this increase in physical activity the investigators facilitate the patients greater participation in their environment once they are discharged from the hospital. Within the hospital setting, time away from scheduled therapy in patients with spinal cord injury on the Neurorehabilitation ward (U.L.M.E.) constitutes the majority of their waking time when they are admitted to this ward. Studies from other hospitals show that, as a rule, this time is approximately 4 hours a day, of which only 7-10 minutes a day are devoted to moderate and vigorous physical activity. For these reasons, the investigators consider it very important to implement therapeutic exercise programs in people with neurological pathology, in this case with a diagnosis of spinal cord injury, and to verify the impact it has on strength and endurance in this population. The main hypothesis is that training through a designed program of therapeutic physical exercise optimizes the results referred to the improvement of strength and endurance in patients with spinal cord injury admitted to the Neurorehabilitation ward (U.L.M.E) of the Miguel Servet Hospital in Zaragoza. The secondary hypotheses are that training based on a designed program of therapeutic physical exercise is satisfactory for patients with spinal cord injury admitted to the Neurorehabilitation ward of the Miguel Servet Hospital of Zaragoza. The objectives of this study are: 1. To improve the strength of patients with spinal cord injury at the U.L.M.E. 2. To improve the aerobic endurance of the patient with spinal cord injury in the U.L.M.E. 3. To increase the patients adherence to physiotherapy treatments. 4. To assess patient satisfaction with their participation in therapeutic physical exercise programs. Sources of information: Data regarding age, sex and metabolic variables are extracted from the electronic medical record. The strength and endurance variables are extracted from the assessment performed by the evaluating physiotherapists and saved in paper format and an Excel sheet. These variables are collected before starting the EINTER program and at hospital discharge. Likewise, at hospital discharge, a satisfaction survey and a personalized exercise sheet are provided. The variables collected are: o Muscular strength measured by the Medical Research Council o Aerobic endurance measured by the 6 Minute Walking Test for patients who can walk independently and the 6 Minutes Pushing Test for those patients who do not walk and move around in a wheelchair. o Adherence measured by the number of sessions in which the patient has participated o Satisfaction survey. Before the patient starts the program, he/she is classified in group A -patients who have seated trunk control for at least 2 minutes (with supervision) and no standing control (Item 3.3, Berg scale)- or in group B -patients who have standing trunk control for 2 minutes (with supervision) (Item 2.3 on the Berg scale)-. There is a maximum of 4 patients per group with 1 physiotherapist per group. Statistical analysis For statistical analysis the program R Ver. 4.1.3 (R Foundation for Statistical Computing, Institute for Statistics and Mathematics, Welthandelsplatz 1, 1020 Vienna, Austria) will be used. The significance level will be set at p\<0.05. The Kolmogorov-Smirnov test with Lilliefors correction will be used to test the distribution of quantitative variables. Quantitative variables will be described with mean±standard deviation or median \[interquartile range\] according to their distribution and qualitative variables with absolute and relative values (%). Pre-treatment differences will be analyzed with a t-test for related data or with the Wilcoxon signed-rank test for quantitative variables according to their distribution, and with Fishers exact text for qualitative variables. Limitations of the study One of the main limitations of the study is not being able to have a control group to be able to perform a Randomized Clinical Trial. Another limitation is the few variables incorporated in the study. For future studies, it would be interesting to introduce variables related to the social participation of the patient in his environment once discharged from hospital. This study is based on an intervention based on therapeutic exercise, a tool that is within the scope of competence of physical therapists, therefore it is considered to be covered by the Civil Liability Insurance policy as professional members. The project is planned to be carried out in the multifunctional room of the Neurorehabilitation Department of the Miguel Servet University Hospital of Zaragoza. The material to be used is the usual one for the professional practice of the physiotherapist and it is detailed below: * 4 SETS OF DUMBBELLS OF DIFFERENT WEIGHTS * 3 PULSE OXIMETERS * 3 MEDICINE BALLS OF DIFFERENT WEIGHTS * 3 PAIRS OF DIFFERENT WEIGHTS * 1 STRETCHER * 1 MOTOMED * 1 PARALLEL BARS.