Deltoid Posterior

Deltoid Posterior

Deltoid Posterior

Stretches

Stretches

Deltoid Posterior, SHOULDER Stretch for All standing

Deltoid Posterior, SHOULDER Stretch for All standing

How to perform the stretch:

1. Start in a standing position
2. Choose the muscle or side of the body you intend to stretch
3. Extend the target shoulder in front of the torso to 90 degrees
4. Turn the palm of the target arm ‘downwards’, so that your thumb is facing the floor
5. Bring the target shoulder and arm across the chest, aiming to bring your bicep muscle under your chin
6. Grasp the target arm within the opposite elbow and ‘pull in’ the arm and shoulder towards you to increase the stretch
7. Hold the stretch for 20 Seconds
8. Release the stretch

Muscle Details

Muscle Details

The Deltoid muscle is the big bulky muscle at the top of the arm and covering most of the outside of the shoulder. It is made up of three different sets of muscle fibres: Anterior, Middle and Posterior.

Origin:

  • Posterior – Spine of the scapula.

Insertion:

  • Deltoid tuberosity of the humerus.

Action:

  • Posterior fibres – Extension, horizontal adduction & lateral rotation of the shoulder.

Muscle strain injuries caused by forceful or repeated shoulder abduction/flexion overhead activities