Study: NCT02918682

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Exercise - FIRST PHASE
Description: the participants do not need to perform the first phase or can advance to the second phase if they have obtained the following results in the balance and functional tests: 1. Gait speed of 0.8 m/s and walking 30 meters without stopping; 2. Ability to perform the stand up and sit down test from the chair five times properly within less than 15 seconds; 3. Maintaining the FFEO stance for 30 seconds and the Tandem EO stance for more than 5 seconds; 4. Having sitting stability limits with eyes open; 5. In upright position, able to bend the trunk forward, standing parallel to a wall, between 16.5 - 32 cm but stable. For the muscle strength: being able to perform hip flexion with 50% of 1 repetition maximum (RM) for 8 repetitions; hip extension with 50% of 1RM for 8 repetitions; hip abduction without load but at least for 8 repetitions; knee extension with 50% of 1RM for 8 repetitions; knee flexion with 50 % of 1RM for 8 repetitions;

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Exercise - SECOND PHASE
Description: the participants do not need to perform the second phase or can advance to the third phase if they have obtained the following results in the balance and functional tests: 1. Gait speed of 0.8-1 m/s and ability to walk 60 meters; 2. Ability to perform the stand up and sit down test from the chair five times properly within less than 15 seconds; 3. Maintaining the FFEO and FFEC stance for more than 5 seconds and the Tandem EO stance for 10-20 seconds; 4. Having sitting stability limits with eyes closed; 5. Being able to bend the trunk forward, standing parallel to a wall, between 20-32 cm ad being stable. For muscle strength: being able to perform hip flexion with 60% of 1 RM for 8 repetitions; hip extension with 60% of 1RM for 8 repetitions; hip abduction without load but between 8-12 repetitions; knee extension with 60% of 1RM for 8 repetitions; knee flexion with 60% of 1RM for 8 repetitions;

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Exercise - FOURTH PHASE
Description: at the end of the exercise protocol, the participants who have reached the fourth phase must be able to achieve: 1. Gait speed of 0.8-1 m/s and able to walk 90 meters; 2. Stand up and sit down five times from the chair properly within less than 15 seconds; 3. TUG performance less than 14 seconds; 4. Maintenance of 30 seconds in FFEO and FFEC stance, maintenance of 30 seconds in Tandem EO and Tandem EC stance, maintenance of the single-leg stance for more than 21 seconds; 5. Normal sitting stability limits with eyes closed; 6. Bending the trunk forward, standing parallel to a wall, more than 32 cm and being stable. For muscle strength: able to perform hip flexion with 70% of 1 RM for 6-10 repetitions; hip extension with 70% of 1RM for 6-10 repetitions; hip abduction with 40-60% of 1RM for 8-12 repetitions; knee extension with 70% of 1RM for 6-10 repetitions; knee flexion with 70% of 1RM for 6-10 repetitions.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Exercise - THIRD PHASE
Description: participants do not need to perform the third phase or can advance to the fourth phase if they have obtained: 1 Gait speed of 0.8-1 m/s and walk 90 meters; 2 perform the stand up and sit down five times from the chair properly within less than 15 seconds; 3 Performing the TUG test within less than 14 seconds; 4 Maintaining the FFEO and FFEC stance for 30 seconds, maintaining the Tandem EO and Tandem EC stance for 30 seconds and maintaining the single-leg stance for more than 20 seconds; 5 Having sitting stability limits with eyes closed; 6 In the upright position, to bend the trunk forward, standing parallel to a wall, more than 32 cm and being stable. For the muscle strength test, perform hip flexion with 60 % of 1 RM for 8-12 repetitions; hip extension with 60 % of 1RM for 8-12 repetitions; hip abduction without load or 5% of 1RM for hip abductor and between 8-12 repetitions; knee extension with 60 % of 1RM for 8-12 repetitions; knee flexion with 60 % of 1RM for 8-12 repetitions;