Do not do these exercises if you have any problems with your rotator cuff, shoulder dislocation or another shoulder injury.
There are 3 different sets of muscle fibers that comprise the deltoids: the anterior, lateral and posterior. This push-up position will work your chest and deltoid muscles more than the traditional push-up with your arms at shoulder-width.
However, there are shoulder exercises you can do without weights or other equipment to strengthen these muscles.
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