shoulders (see anatomy file, click
are the area where the arm is attached to the thorax. this complex
structure has two important fonctions. It must be very flexible
to allow the hand and arm the huge range of motion, it must provide
strong, stable fixed point for certain actions. The great mobility
of the scapula combined with actions of arm muscles allows arm to
move in many ways.
many shoulder muscles which must be strengthen in order to get a good statics of the shoulder:
deltoid and supraspinatus, subscapularis and teres major,
infraspinatus and petit teres minor.
For well-development of the shoulders,
exercises more often used are lateral raise with dumbbells, bench