Medial Thigh Muscles

Authors

Affiliations

Nate Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Table 1: Superficial Medial Thigh Muscles

Muscle	Origin	Insertion	Innervation	Action
Adductor brevis	Inferior pubic ramus	Linea aspera	Obturator n. L2 - L3	Hip: Adduction, Flexion, Extension Pelvis: Frontal stabilization, Sagittal stabilization
Adductor Longus	Superior pubis ramus Anterior side of Pubic Symphysis	Linea aspera	Obturator n. L2 - L4	Hip: Adduction, Flexion, Extension Pelvis: Frontal plane stabilization, Sagittal plane stabilization
Gracilis	Inferior pubic ramus	Pes anserine	Obturator n. L2 - L3	Hip: Adduction, Flexion Knee: Flexion, IR
Pectineus	Pecten pubis	Pectineal line Proximal linea aspera	Femoral n. Obturator n. L2 - L3	Hip: ER, Adduction, *slight* Flexion Pelvis: Frontal plane stabilization, Sagittal plane stabilization

Table 2: Deep Medial Thigh Muscles

Muscle	Origin	Insertion	Innervation	Action
Adductor brevis	Inferior pubic ramus	Linea aspera	Obturator n. L2 - L3	Hip: Adduction, Flexion, Extension Pelvis: Frontal stabilization, Sagittal stabilization
Adductor Longus	Superior pubis ramus Anterior side of Pubic Symphysis	Linea aspera	Obturator n. L2 - L4	Hip: Adduction, Flexion, Extension Pelvis: Frontal plane stabilization, Sagittal plane stabilization
Gracilis	Inferior pubic ramus	Pes anserine	Obturator n. L2 - L3	Hip: Adduction, Flexion Knee: Flexion, IR
Pectineus	Pecten pubis	Pectineal line Proximal linea aspera	Femoral n. Obturator n. L2 - L3	Hip: ER, Adduction, *slight* Flexion Pelvis: Frontal plane stabilization, Sagittal plane stabilization