Effects of Stretching Types on Gastrocnemius
Condition: Stretch
Study type: Interventional

Summary: 
      Stretching is the process of positioning certain muscles and related soft tissues of the body
      in a position that will lengthen them. In addition to increasing the range of motion of
      stretching, different stretching on many functional (maximum isometric torque, muscle-tendon
      stiffness, passive-resistive torque, viscoelastic deformation) or structural parameters
      (muscle stiffness, tendon stiffness, muscle fascicle length, pennation angle, neuromuscular
      relaxation) We can make changes using methods.

      Static stretching usually involves actively or passively moving a limb to the full range of
      motion, holding this stretched position for 15-60 seconds, and then repeating it 2-4 times.
      Dynamic stretching encompasses all body movements and involves actively moving the active
      joints through the range of motion in a controlled manner. PNF stretching is known to be more
      effective than other stretching techniques as it increases both passive and active
      flexibility and improves joint range of motion in the short term.

      The appropriate evaluation of muscle characteristics and keeping a regular record are very
      important for the course of rehabilitation, clinical decisions, the creation of an
      appropriate treatment plan, and the evaluation of treatment practices. Objective evaluation
      methods are needed to measure the functional state of the muscles, that is, their
      viscoelastic properties. Myotonometric measurement, which is a painless, objective, and
      non-invasive measurement method, allows the measurement of muscle tone, elasticity, and
      stiffness. The myotonometer device is a portable handheld device used to measure the
      stiffness of soft tissues, including muscles and tendons, using a non-invasive approach. It
      is a device that is easy to use, fast, and very suitable for the purpose. Based on this
      information, the aim of our study is to evaluate the effects of different stretching types on
      gastrocnemius muscle viscoelastic properties and performance.
    


Intervention name(s): Static Stretching; Dynamic Stretching; PNF Stretching; Sham stretching
Intervention type(s): Other; Other; Other; Other
Intervention description(s): Participants will be placed in the maximum dorsiflexion position of the ankle of the dominant side lower extremities. At this last point, it will be held in a static position for 30 seconds. A total of 10 repetitions will be done, with 5-10 seconds rest between repetitions.; Participants will be positioned by placing their hands on the edge of the standing wall. They will be asked to try to increase normal ankle motion in a controlled manner using their own body weight. The stretching position will be held for 30 seconds and a total of 10 repetitions will be done. There will be 5-10 seconds rest between repetitions.; For the lateral head of the gastrocnemius muscle, the dominant side lower extremities of the participants will be placed in the extension-adduction-external position. For the medial head of the gastrocnemius muscle, the dominant side lower extremities of the participants will be placed in the extension-abduction-internal rotation position. Participants will be asked to actively go as far as they can in the opposite direction from the starting position (flexion-abduction-internal rotation for the lateral head; flexion-adduction-external rotation for the medial head). When the participant returns to the starting position after reaching the final point, the practitioner will apply the hold-relax technique and will be asked to stay in this position for 10 seconds.; Sham stretching will be applied to the calf area. While the participant is lying prone, they will wait 30 seconds in a static position without applying any stretching to the calf area before reaching the end point of the joint range of motion.
Allocation: Randomized
Intervention model: Parallel Assignment
Masking: Single (Outcomes Assessor)
Primary purpose: Treatment