Muscles

Infraspinatus Muscle

The infraspinatus is a thick triangular muscle, which occupies most of the infraspinous fossa. It is among the four Rotator Cuff muscles acting as the mechanical link between the posterosuperior and anterior parts of the rotator cuff. Origin of Infraspinatus Muscle Infraspinatus muscle originates from the medial two-thirds of

Pronator Teres

The pronator teres muscle is found on the palmar side of the forearm, below the elbow. It is assisted by the pronator quadratus to perform its major role i.e, to rotate the forearm palm-down. This position is also referred to as pronation. Origin of Pronator Teres Muscle The pronator teres muscle originates

Teres minor

Teres minor is among the four muscles that contribute to the making of the Rotator Cuff. Its shape is long and narrow and sometimes it may blend into infraspinatus. The primary function of teres minor is to keep the humerus steady in the glenoid fossa in the

Muscles of the Upper Arm

The upper arm and shoulder constitutes of two compartments – Anterior and Posterior. The Anterior compartment includes biceps brachii, coracobrachialis and brachialis while the triceps brachii is a part of posterior compartment. Upper arm is located between elbow joint and the shoulder joint. The muscles of arm

Anconeus

Anconeus connects the medial aspect of the ulna to the lateral aspect of the humerus and is a short triangular elbow muscle. It is occasionally classified as a branch of the triceps brachii muscle, due to its location and functionality. Origin It arises from the lateral epicondyle