Anterior Thigh/Gluteal Muscles POINA Flashcards
Pectineus Purposeful Action
Playing hackey sack, crossing legs
Pectineus Main Action
-Adduct and slightly flex hip
-Assist with ER
Pectineus Proximal Attachment
Superior ramus of pubis
Pectineus Distal Attachment
Pectineal line of femur inferior to lesser trochanter
Pectineus Innervation
-Femoral (L2-L3)
-May receive branch from obturator
Sartorious Purposeful Action
Sitting on floor, yoga, meditation
Sartorious Main Action
-Hip: Flexion, abduction, ER
-Knee: Flexion
-IR when knee is flexed
Sartorious Proximal Attachment
ASIS (superior part of notch inferior to it)
Sartorious Distal Attachment
Superior part of medial tibia (pes anserinus)
Sartorious Nerve
Femoral (L2-L3)
Gluteus Maximus Purposeful Action
Squatting, sit to stand, bed mobility
Gluteus Maximus Main Action
-Extend hip (from flexed)
-Assist in ER
-Flexes hip and assists in rising from a sitting position
Gluteus Maximus Proximal Attachment
-Ilium (posterior to posterior gluteal line)
-Dorsal sacrum and coccyx
-Sacrotuberous ligament
Gluteus Maximus Distal Attachment
-IT tract, which inserts onto anterolateral tibial tubercle
-Gluteal tuberosity (not most fibers)
Gluteus Maximus Nerve
Inferior Gluteal Nerve (L5-S2)
Gluteus Medius Purposeful Action
Smooth walking, standing on one leg to dress/shower
Gluteus Medius Main Action
-Hip abduction, IR
-Posterior fibers: ER
-Keeps pelvis level when ipsilateral limb is weight bearing and advance unsupported side during its swing phase (standing on one leg)
Gluteus Medius Proximal Attachment
External surface of ilium (between anterior and posterior gluteal lines)
Gluteus Medius Distal Attachment
Lateral surface of greater trochanter
Gluteus Medius Nerve
Superior Gluteal Nerve (L4-S1)
Gluteus Minimus Purposeful Action
Walking, standing on one leg to dress/shower
Gluteus Minimus Main Action
-Hip abduction, IR
-Keep pelvis level when ipsilateral limb is weight bearing and opposite side during swing phase (standing on one leg)
Gluteus Minimus Proximal Attachment
External surface of ilium between anterior and inferior gluteal lines
Gluteus Minimus Distal Attachment
Anterior surface of greater trochanter
Gluteus Minimus Nerve
Superior gluteal (L4-S1)
Tensor Fasciae Latae Purposeful Action
Running, single leg squatting
Tensor Fasciae Latae Main Action
-Hip IR and abduction
-Standing on one foot
Tensor Fasciae Latae Proximal Attachment
ASIS, anterior part of iliac crest
Tensor Fasciae Latae Distal Attachment
IT tract, which attaches to anterolateral tibial tubercle
Tensor Fasciae Latae Nerve
Superior Gluteal (L4-S1)