UB-SHOULDER-IMPINGEMENT in STRENGTH EXERCISES?


SHOULDER IMPINGEMENT in STRENGTH EXERCISES?


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(1) Shoulder Joint and Muscle Characteristics Among Weight-Training Participants With and Without Impingement Syndrome – 2017 – Kolber
– 55 men; recreational weight training; minimum 2 d·wk, including 24 individuals with SIS and 31 without SIS serving as controls
(2) Characteristics of Shoulder Impingement in the Recreational Weight-Training Population – 2014 – Kolber
– 77 men (154 shoulders), aged 19-56, 46 who engaged in WT a minimum of 2 days per week; 31 controls with no history of WT participation


– WT participants with SIS had decreased internal and external rotation AROM – Active Range of Motion
– WT participants had decreased bodyweight-adjusted strength values of the external rotator and lower trapezius when compared with WT participants without SIS
– Select strength ratios were greater in the SIS group implying agonist to antagonist muscle imbalances
Results
(1) A significant association existed between clinical characteristics of SIS and both lateral deltoid raises and upright rows above 90°
(2) Conversely, a significant inverse association was found between external rotator strengthening and characteristics of SIS
Practical Solutions to a Weight Training Program
(1) Internal Rotation Mobility: movement, small ball massage and stretch
(2) Train muscles responsible for Stabilization: external rotators and lower trapezius
(3) Train muscles to be in Balance: train the back, shoulders and rotator cuff to balance horizontal presses
(4) Caution Exercises: Lateral Raises and Upright Rows above 90°; check your technique or avoid doing


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