Shoulder pain can be common in overhead sports, and in particular, in volleyball. Different physiotherapy protocols can be adopted depending on the suspected pathophysiological mechanisms. Despite most of the protocols rely only on the shoulder district, some research suggests that treating the whole-body might produce better results as it could influence kinematic chains and correct muscle imbalances. The aim of this study will be to compare the effects of two physiotherapy protocols (shoulder focus or whole body) compared to only education without physiotherapy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
40
This intervention consists in 5 weeks of 2 x week 60 min sessions of physiotherapy consisting in active exercise performed in upper limb, trunk, and lower limb muscles, in a whole-body approach.
This intervention consists in 5 weeks of 2 x week 60 min sessions of physiotherapy consisting in active exercise performed only in the shoulder district, focusing on the trunk-arm muscles.
Single education session providing information about posture hygiene and proper warm-up
University of Trieste - Exercise Physiology and Kinesiology Lab
Trieste, Trieste, Italy
RECRUITINGIsometric strength with handheld dynamometer (Newtons)
Isometric strength during shoulder flexion, extension, external and internal rotation, bilaterally
Time frame: At enrollment and at the end of treatment at 5 weeks
Lateral symmetry (%)
Lateral symmetry will be assessed as percentage between the two upper limbs for the investigated muscles (pectoralis major, latissimus dorsi, upper trapezius, middle trepezius, lower trapezius, anterior deltoid, posterior deltoid) using the tensiomyography system
Time frame: At enrollement and at the end of treatment after 5 weeks
Time of contraction (ms)
Time of contraction (ms), i.e. the time requiring the muscle to reach the peak of muscle displacement, will be assessed as percentage between the two upper limbs for the investigated muscles (pectoralis major, latissimus dorsi, upper trapezius, middle trepezius, lower trapezius, anterior deltoid, posterior deltoid) using the tensiomyography system
Time frame: At enrollement and at the end of treatment after 5 weeks
Muscle belly displacement (mm)
Muscle belly displacement (mm), i.e. the amplitude of muscle displacement, will be assessed as percentage between the two upper limbs for the investigated muscles (pectoralis major, latissimus dorsi, upper trapezius, middle trepezius, lower trapezius, anterior deltoid, posterior deltoid) using the tensiomyography system
Time frame: At enrollement and at the end of treatment after 5 weeks
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