The player follows through after making contact with the ball by swinging down the racquet out in front. The body weight is still being pushed forward in this phase.
Shoulder Girdle:
Right shoulder girdle undergoes downward rotation with eccentric contraction of middle and lower fibers of trapezius and serratus anterior.
Shoulder Joint:
Right shoulder joint is diagonally adducted with eccentric contraction of posterior fibers of deltoid, infraspinatus, and teres minor.
Elbow joint:
Elbow joints remain in extension with isometric contraction of triceps brachii and aconeus.
Hip joint:
Right hip remains in extension with isometric contraction of adductor magnus, semitendinosus, semimembranosus, biceps femoris, and gluteus maximus.
Left hip remains in flexion with isometric contraction of iliacus, psoas major and minor, rectus femoris, sartorius, pectineus, gluteus minimus, and tensor fasciae latae.
Knee joint:
Right knee remains in full extension with isometric contraction of rectus femoris, vastus intermedius, vastus lateralis, and vastus medialis.
Left knee remains flexed with isometric contraction of biceps femoris, popliteus, semimembranosus, and semitendinosus.
Left hip remains in flexion with isometric contraction of iliacus, psoas major and minor, rectus femoris, sartorius, pectineus, gluteus minimus, and tensor fasciae latae.
Knee joint:
Right knee remains in full extension with isometric contraction of rectus femoris, vastus intermedius, vastus lateralis, and vastus medialis.
Left knee remains flexed with isometric contraction of biceps femoris, popliteus, semimembranosus, and semitendinosus.
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