Summary of most active muscles in lower body/trunk during the different phases of the golf swing (percentage of maximal manual testing)
| Phase of swing | Left lower body/trunk | Right lower body/trunk |
|---|---|---|
| Back swing | Erector spinae (26%) | Semimembranosus (28%) |
| Abdominal oblique (24%) | Long head of the biceps femoris (27%) | |
| Forward swing | Vastus lateralis (88%) | Upper and lower gluteus maximus (100 % and 98%) |
| Adductor magnus (63%) | Biceps femoris (78%) | |
| Acceleration | Biceps femoris (83%) | Abdominal oblique (59%) |
| Upper and lower gluteus maximus, vastus lateralis (58%) | Gluteus medius (51%) | |
| Early follow through | Long head of biceps femoris (79%) | Gluteus medius (59%) |
| Vastus lateralis (59%) | Abdominal oblique (51%) | |
| Late follow through | Semimembranosus and vastus lateralis (42%) | Vastus lateralis (40%) |
| Adductor magnus (35%) | Gluteus medius (22%) |