Efficacy of Myofascial Trigger Point Dry Needling in the Prevention of Pain after Total Knee Arthroplasty: A Randomized, Double-Blinded, Placebo-Controlled Trial

Table 1

Examination protocol.

	Tensor fasciae latae	Hip adductors	Hamstrings	Quadriceps	Gastrocnemius	Popliteus
Hip position	Extension; Lateral rotation	Flexion; Abduction; Lateral rotation	Flexion; Abduction for medial and adduction for lateral muscles	Flexion	Flexion	Flexion; Abduction; Lateral rotation
Knee position	Extension	Flexion	Flexion	Flexion	Flexion	Flexion

All muscles were examined with the subject in supine position.