HIP EXTERNAL ROTATION – MULTIPLE EXERCISES – RESEARCH
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EMG STUDIES
UPPER GLUTEUS MAXIMUS, GLUTEUS MEDIUS, TFL
– Clam Shells Hips Flexed @45º and Knee Flexed @90º
Which Exercises Target the Gluteal Muscles While Minimizing Activation of the Tensor Fascia Lata? – 2013 – Selkowitz
Procedure
– which exercises are best for GMed and superior portion of GMax, while minimizing activity of TFL
Fine Wire Electrodes
– Sup-Gmax: midpoint of line drawn b/n posterior superior iliac spine and posterior GT
– GMed: 2.5 cm distal to midpoint of iliac crest (ie, middle portion)
– TFL: distal and slightly lateral to anterior superior iliac spine and medial and superior to GT
Results
| Exercise | Tensor Fascia Lata | Gluteus Medius | Superior Gluteus Maximus |
|---|---|---|---|
| Side-lying hip abduction | 32.3 ± 13.1 | 43.5 ± 14.7 | 23.7 ± 15.3 |
| Bilateral bridge – Hip Thrust | 8.2 ± 7.4 | 15.0 ± 10.5 | 17.4 ± 11.9 |
| Clam | 11.4 ± 11.4 | 26.7 ± 18.0 | 43.6 ± 26.1 |
| Hip hike | 31.4 ± 14.4 | 37.7 ± 15.1 | 17.7 ± 15.2 |
| Lunge | 21.6 ± 14.5 | 19.3 ± 12.9 | 20.1 ± 11.1 |
| Quadruped hip ext, knee extending | 15.6 ± 9.3 | 27.3 ± 14.9 | 28.5 ± 16.6 |
| Quadruped hip ext, knee flexed | 18.7 ± 10.6 | 30.9 ± 15.2 | 30.1 ± 12.5 |
| Sidestep | 13.1 ± 7.1 | 30.2 ± 15.7 | 27.4 ± 16.7 |
| Squat | 4.6 ± 3.8 | 9.7 ± 7.3 | 12.9 ± 7.9 |
| Step-up | 21.4 ± 11.4 | 29.5 ± 14.9 | 22.8 ± 15.6 |
| Unilateral bridge – Hip Thrust | 18.1 ± 12.9 | 30.9 ± 20.7 | 34.6 ± 16.8 |
GLUTEUS MAXIMUS UPPER & LOWER, GLUTEUS MEDIUS
– Side Lying to 30º with Straight Leg
The effects of therapeutic hip exercise with abdominal core activation on recruitment of the hip muscles – 2017 – Chan
Procedure
· 2 conditions: Natural Core Activation, Enhanced Core Activation
Results
Clam: hip flexed 45° . knees flexed to 90° . hip abduction 30° . hip external rotation 30°
· upper glute max 40 . glute medius 15 . lower glute max 5
Side-Lying Hip Ab-duction: to 30° with knee fully extended
· upper glute max 30 . glute medius 30 . lower glute max 5
Prone Hip Extension: knee flexed to 90° . hip extension up to 20°
· lower glute max 25 . upper glute max 20 . glute medius 20 . biceps femoris 20