Tag: anatomy

Pectoralis Major – Functional Anatomy

Muscle Dissection studies show that pectoralis major varies dramatically. There is commonly 2-5 laminates, sometimes 6 or 7, and sometimes the entire pectoralis is missing (Poland Syndrome). Also, the overlap of sections varies among studies.Continue reading

Psoas Minor – Functional Anatomy

Psoas Minor Psoas minor connects the T12-L1 to the pubic bone. L2-L5 and the sacrum are trapped between them. Psoas minor is strongly connected to the iliac fascia and seems to tense that fascia toContinue reading

Iliopsoas – Functional Anatomy

Iliopsoas Iliopsoas is complex. For more details, see psoas major or iliacus.    Origin – vertebral bodies of T12-L4, transverse processes of L1-L5, Iliac fossa of the ilium Insertion – lesser trochanter of the femurContinue reading

Using the anatomy illustrations to assess restrictions.

I have taken on a new project to teach anatomy for yoga. I am in the process of building an anatomy section for a quicker, practical understanding of musculoskeletal anatomy and physiology. I will beContinue reading

Psoas Major – Functional Anatomy

Psoas Major Psoas major varies a great deal in size and shape. It originates in the last thoracic and all lumbar vertebrae and inserts on the lesser trochanter of the femur. It traps the coxal bone andContinue reading

Deltoid – Functional Anatomy

Deltoid   Deltoid is a triangular muscle that works closely with the rotator cuff muscles to lift the humeral shaft superiorly. It is also key in preventing dislocation of the humerus when lifting heavy loads. AllContinue reading

Infraspinatus – Functional Anatomy

Infraspinatus   Origin: infraspinous fossa Insertion: posterior greater tubercle of the humerus Function: stabilize the humeral head, externally rotate humerus   Wikipedia entry for infraspinatus. Tony Preston has a practice in Atlanta, Georgia where he sees clients. HeContinue reading

Subscapularis – Functional Anatomy

Subscapularis The subscapularis muscle is thick with multiple bellies on the underside of the scapula. Its tendon is separated from the joint capsule by a bursa. It can be a key player in frozen shoulderContinue reading

Teres Minor – Functional Anatomy

Teres minor is a rotator cuff muscle that extends along the back of the axilla. Origin – lateral border of the posterior scapular surface Insertion – Lower posterior greater tubercle of the humerus Function –Continue reading

Supraspinatus – Functional Anatomy

Supraspinatus Supraspinatus is a rotator cuff muscle located on the superior aspect of the scapula. Origin: Supraspinous fossa Insertion: greater tubercle of the humerus Function: abduction of the humerus. Details vary from one study toContinue reading