Table 1.

Reported strategy for obtaining straight access to the femoral canal in THA using a direct anterior approach

Authors	Surgical table	Hip position	Elevator	First release	Second release	Preservation	Option
Kennon et al. (2003) [3]	Standard surgical table	Hyperextension Adduction Maximal external rotation	Bone hook Retractors	Tensor fasciae latae Medial capsule Posterior capsule Short external rotator tendons		Abductor mechanism	Secondary incision
Siguier et al. (2004) [12]	Judet surgical table (Tasserit, Sens, France)	90º external rotation Hyperextension	Pressure Retractors	Superior capsule		Gluteus medius External rotators
Matta et al. (2005) [5]	Judet surgical table PROfx surgical table (Mizuho OSI, Union City, CA)	90º external rotation Hyperextension Adduction	Femoral hook Retractors	Lateral capsule	Further capsule Obturator internus Piriformis tendon Obturator externus	Posterior capsule External rotators Abductor tendon	Offset broach handle
Nogler et al. (2006) [10]	Standard surgical table	30º–40º hyperextension External rotation Adduction	Retractors	Posterolateral capsule	Piriformis Superior and inferior gemelli External obturator	Posterior capsule	Double-offset broach handle
Oinuma et al. (2007) [11]	Standard surgical table	Hyperextension Slight adduction 90º external rotation	Retractors	Posterior capsule	Internal obturator Gemelli	Piriform muscle Gluteal muscles