Muscles

Rotator Cuff

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The rotator cuff comprises supraspinatus, infraspinatus, teres minor and subscapularis. These muscles move the shoulder and contribute to dynamic stability of the glenohumeral joint.

The rotator cuff comprises supraspinatus, infraspinatus, teres minor and subscapularis. These muscles move the shoulder and contribute to dynamic stability of the glenohumeral joint.

Anatomy and function

The four muscles arise from the scapula and their tendons attach around the greater and lesser tubercles of the humerus. Together with other static and dynamic structures, they help control the humeral head while the shoulder moves. Infraspinatus and teres minor contribute to external rotation, subscapularis to internal rotation, and supraspinatus to abduction. This does not mean the cuff alone prevents every dislocation or every source of shoulder pain.

StatPearls · Anatomy, Rotator Cuff

HYROX® relevance

HYROX® Singles includes Wall Balls, Sled Push, Sled Pull, Row, Farmers Carry and Sandbag Lunges. These tasks load the shoulder in different positions, so rotator-cuff muscles can contribute to movement and control. The rulebook specifies the task standards, not a rotator-cuff endurance requirement. No direct evidence reviewed here establishes that cuff weakness causes humeral-head migration or pain during a station, that cuff injury is among the most common HYROX® problems, or that isolated cuff training improves station performance.

HYROX® Singles Rulebook 2026/27 · StatPearls · Anatomy, Rotator Cuff

Exercise selection and programming

External-rotation work, rows, raises and loaded stability exercises can be used to train shoulder muscles, but no single list is mandatory. Evidence in people with rotator-cuff-related shoulder pain supports exercise as one possible management component, with low certainty and no clearly superior approach. Evidence that shoulder programmes prevent injury comes mainly from other sports and is very uncertain. Select movements and progress load, range and volume for the athlete; anatomy alone does not justify 3 × 15–20, light loads, high repetitions or use in every warm-up.

Tena-Portilla et al. · exercise for rotator-cuff-related shoulder pain · FAIR consensus systematic review · upper-extremity injury prevention · ACSM · resistance-training prescription position stand

Shoulder symptoms

Pain, clicking, catching or difficulty holding an arm position can have several causes and do not by themselves diagnose weak rotator-cuff muscles. Most single clinical tests have limited diagnostic accuracy. Modify a provoking task and seek qualified assessment when symptoms persist, follow trauma, produce marked weakness or loss of motion, or limit normal activity.

Hughes et al. · diagnostic accuracy systematic review · Tena-Portilla et al. · exercise for rotator-cuff-related shoulder pain

Frequently Asked Questions

Do I need rotator-cuff exercises for HYROX®?

No specific exercise is mandatory. Targeted shoulder work may be useful when it fits an athlete’s needs and total programme, but direct evidence for a particular HYROX® exercise or dose was not found.

ACSM · resistance-training prescription position stand · Tena-Portilla et al. · exercise for rotator-cuff-related shoulder pain

Can I train with shoulder pain?

The symptom and its cause matter. Avoid forcing a painful station, adjust load or range, and obtain assessment for persistent, sudden or function-limiting symptoms instead of assuming that more cuff strengthening is the answer.

Hughes et al. · diagnostic accuracy systematic review · Tena-Portilla et al. · exercise for rotator-cuff-related shoulder pain

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