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Introduction
LTAD - a critique
Demands of the game
Profile of players
Functional screening
Resistance training
Speed and agility training
Integrated game conditioning
Periodisation
Content
Questions

Range of motion testing

Test 2: Hip internal and external rotation

Assessing internal and external hip rotation helps indicate whether the player has:

  • Normal ROM about the hip
  • Restricted ROM about the hip

Figure 3a. Example of limited ROM in internal hip rotation. Note that the normal internal rotation ROM is between 45-50 degrees. In the example above, the rotation is 28 degrees.

Figure 3b. Example of limited ROM in external hip rotation. Note that the normal external rotation is between 50-60 degrees. In the example above, the rotation is 45 degrees.

The evidence

A restriction in either internal or external rotation may be a performance inhibitor for many players and it could also be a predisposing factor for injury (Sahrmann 2002). Having normal hip rotation allows for unimpeded movement about the hip. During play and tactical practice, the player will repeatedly move the hips internally across the opposite leg either in kicking or side stepping or rotation in general or externally as in drop stepping or turning. Reduced internal rotation of the hip has been found in several sporting populations and has been either, retrospectively or prospectively associated with injury (Murray et al 2009, Vad et al 2004, Van Dillen et al 2008, Ibrahim et al 2007, Verral et al 2007). For example, Vad and colleagues (2004) noted a relationship between low back pain and hip ROM deficits. Other authors also noted a relationship between hip rotation range of motion and low back, chronic groin injury and acute adductor strains (Verral et al 2007, Murray et al 2009, Ibrahim et al 2007).