The following limitations are usually at the origin of this swing characteristic.
"Several physical limitations can lead to the Forward Lunge swing characteristic. Any limitation that reduces the lower body's ability to weight shift and rotate can force the upper body to take over and lunge. Restrictions like hip mobility, glute and core weakness, ankle mobility limitations and lower body strength or power deficits can all lead to a Forward Lunge." -TPI
A restricted internal rotation of the lead hip can prevent the player from rotation into their lead hip during the downswing, causing them to slide towards the target instead. As well, a Stability or Motor Control Dysfunction in rotation, extension or flexion (lead hip) can cause instability when trying to post-up through impact.
Positive Tests: “Lower Quarter Rotation”, “Bridge w/ Leg Extension”, “Single Leg Balance", Seated and Prone Hip Rotation.
The ankle normally inverts through impact. If the player is limited in inversion, they may compensate by sliding. Also, a limitation in lead internal tibial rotation may cause the player to slide instead of rotating through impact.
Positive Tests: Passive Ankle Inversion, Seated and Passive Tibial Rotation Tests.
A core Stability and Motor Control Dysfunction (weak core) can be at the origin of this swing deficiency, similar to the sway deficiency, sufficient core stabilisation is needed in order to do a proper weight shift.
Positive Tests: “Bridge w/ Leg Extension”, Passive Lumbar Lock Extension/Rotation, Half Kneeling Narrow Base Test.
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Postureffect programs are designed to help increase your mobility, stability and balance by decreasing amongst others, fascial and musculoskeletal restrictions, dysfunctional patterns of movement (ex. scapulothoracic rhythm), adhesions and musculoskeletal imbalance (ex. upper and lower crossed syndrome).
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