Arm Muscle Anatomy & ACE Exam Prep | ACE Fitness
2017年2月23日 · From a position of internal shoulder rotation, rotate your arm so that the elbow faces backward. Also, anatomical position requires the shoulders to be in external rotation. This action at the shoulder can occur when your arm is in different positions (flexion, abduction, etc.). Infraspinatus and teres minor. Horizontal abduction
The Planes of Motion Explained - ACE
2017年8月1日 · Horizontal Flexion (adduction)- From the 90-degree abducted arm position, the humerus is flexed (adducted) in toward the midline of the body in the transverse plane; Horizontal Extension (abduction)- Return of the humerus from horizontal flexion; Let's Examine Each Plane in a Bit More Detail
Butt & Hip Exercises | Side Lying Hip Abduction - ACE
Starting Position: Lie on your side on a mat/floor with your legs extended straight away from your body. Hold your feet together in neutral position (at 90 degrees to your shinbone) and your lower arm bent and positioned under your head for support, while …
(abduction) Scapular Retraction (adduction) Arm Adduction Arm Abduction Shoulder Circumduction Shoulder External Rotation Shoulder Horizontal Abduction Shoulder Horizontal Adduction Shoulder Internal Rotation Trunk Rotation Now, let’s apply these concepts to a real-world setting. 1. A push-up is a well-known upper-body exercise.
Leg Muscle Anatomy & Function | ACE Fitness
2017年2月23日 · Hip Abduction. Lift your leg out to the side, or from a squatting position, knees falls out to the side. Hip Abductors - gluteus medius and minimus. Hip Adduction. From a position of hip abduction, lower your thigh to the anatomical position. Hip Adductors (know them as a group called the hip adductors) Internal Rotation of the Hip
Scapular Muscle Anatomy & ACE Exam Prep | ACE Fitness
2017年5月2日 · The scapula, commonly referred to as the shoulder blade, is the bone that sits above the rib cage in the upper back. It creates the shoulder joint where it meets with the head of the humerus—the bone of the upper arm. The scapulae can move in six directions and each movement is produced by specific, primary muscles.
A Commonsense Approach to Addressing Shoulder Instability
2. Shoulder abduction in the scapular plane* Arm raise in the plane of the scapula, starting with the thumbs down and rotating thumbs up as the humerus moves toward and then beyond horizontal. Subscapularis, anterior deltoid, posterior deltoid, supraspinatus, infraspinatus, teres minor. 3. Rowing
Arm Exercises | Spider Walks - ACE
While the right leg is forward, push back through the left heel to straighten the left leg. Then straighten the right leg and bring the left knee forward to the outside of the left elbow while reaching forward with the right hand. Alternate this arm and leg action for the desired distance.
Understanding Axis of Rotation & Planes of Motion | ACE Fitness
2017年2月1日 · That is, the arm moves in the sagittal plane of motion around an axis of rotation that occurs at the elbow, which allows for flexion and extension. Because flexion and extension occur in an anterior and posterior direction, respectively, the axis of rotation is perpendicular to it and projects through the joint in a mediolateral, or side-to ...
Correct Cues for Scapular Motion - ACE
Abduction or Protraction: When the scapula moves away from the spine Upward rotation: When the bottom corner edge of the shoulder blade rotates up and away from the spine (i.e., lateral or upward rotation) Downward rotation: When the bottom corner edge of the shoulder blade rotates down and in toward the spine (i.e., medial or downward rotation)