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Posterior aspect of the inferior angle of the scapula: Insertion: Medial lip of the intertubercular sulcus of the humerus: Artery: Subscapular and circumflex scapular arteries: Nerve: Lower subscapular nerve (segmental levels C5 and C6) Actions: Adduct the humerus, internal rotation (medial rotation) of the humerus, extend the humerus from ...
This angle is formed by the junction of the superior and medial borders of the scapula. The superior angle is located at the approximate level of the second thoracic vertebra. The superior angle of the scapula is thin, smooth, rounded, and inclined somewhat lateralward, and gives attachment to a few fibers of the levator scapulae muscle. [5]
Active exercises include the Pendulum exercise, which is used to strengthen the Supraspinatus, Infraspinatus, and Subscapularis. [9] External rotation of the shoulder with the arm at a 90-degree angle is an additional exercise done to increase control and range of motion of the Infraspinatus and Teres minor muscles.
25 Exercises for Next-Level Arm Muscle. Brett Williams, NASM. September 15, 2022 at 2:46 PM. ... portion of the exercise. Angle Change Biceps Curl 21s. 3 sets. This challenging exercise ...
Incorporating functional exercises like the farmer's carry into your workouts can prepare your body for real-life activities and protect against pain or injury. But the benefits extend much ...
The fourth thoracic vertebra, together with the fifth, is at the same level as the sternal angle. The thoracic spinal nerve 4 (T4) passes inferior it. A thoracic spine X-ray of a 57-year-old male. Surface orientation of T3 and T7, at middle of spine of scapula and at inferior angle of the scapula, respectively.
The upper and lower fibers tend to rotate the scapula around the sternoclavicular articulation so that the acromion and inferior angles move up and the medial border moves down (upward rotation). The upper and lower fibers work in tandem with serratus anterior to upwardly rotate the scapulae, and work in opposition to the levator scapulae and ...
The latissimus dorsi crosses the inferior angle of the scapula. A study found that, of 100 cadavers dissected: [6] 43% had "a substantial amount" of fibers in the latissimus dorsi originating from the scapula. 36% had few or no muscular fibers, but a "soft fibrous link" between the scapula and the latissimus dorsi