The biceps brachii is a strong and powerful muscle but often seems larger and more powerful than it really is because the underlying brachialis pushes it outward, making it appear larger. Behind every great biceps brachii is a great brachialis.
Supraspinatus Cannot Abduct The Arm
The supraspinatus is an important muscle of the rotator cuff group that is often involved in shoulder impingement syndrome. But for the purpose of this blog article, it is an excellent case study in understanding how joint action terminology can lead students and therapists alike to misunderstand the function of a muscle.
Brachialis – The First Muscle You Should Learn
Learn everything about the brachialis muscle — its attachments, open- and closed-chain functions, how to palpate, stretch, and massage it. The perfect muscle for teaching kinesiology biomechanics.
Coracobrachialis: Attachments, Functions, Palpation & Treatment
The coracobrachialis is a muscle in the anterior compartment of the upper arm. It originates on the coracoid process of the scapula and inserts on the medial shaft of the humerus. It performs flexion and adduction at the glenohumeral joint and serves as a key teaching muscle for core kinesiology concepts including open-chain vs. closed-chain movement, cardinal-plane vs. oblique-plane motion, and anatomic vs. non-anatomic actions.
