Origin: 1. Ilium
- Posterior crest
3.Sacrum (posterior) - Vertebral Column (lateral surface): Lumbar Vertebrae (L1-5),
Thoracic vertebrae (T7-12), Ribs (posterior, Lower 3 or 4 ribs)
Insertion : Humerus (proximal anterior/medial)
- Intertubercular groove
Sports associated with but limited to major contribution of your back are gymnastics,
swimming, climbing, Weight training – chin ups, Lat. Pulldowns.
Common Distortions caused by tightness is an Internally rotated humerus, Protracted scapula,
and Lumbar hyperextension
TERES MAJOR
Joint Action performed by the Shoulder (glenohumeral)
- Internal Rotation
- Extension
- Adduction
An example would be assisting in drawing the arm back and inward.
Origin: 1. Scapula (posterior, inferior)
- Inferior angle (posterior, lateral)
Insertion: Humerus (proximal anterior/medial)
- Intertubercular groove
Sports associtated but not limited to the use of the Teres Major are rowing, cross country skiing.
Weight training – seated row, Lat. Pulldown
Common Distortions caused by tightness is a laterally rotated scapula