Glutes and Posterior Thigh Flashcards
Biceps Femoris
Origin
Long head: ischial tuberosity
Short head: lateral lip of linea aspera, lateral supracondylar line
Biceps Femoris
Insertion
Lateral fibulae head
Biceps Femoris
Innervation
Long head: tibial part of Sciatic Nerve (L4-S3)
Short head: common fibulae part of Sciatic Nerve (L4-S2)
Biceps Femoris
Action
Thigh: extension
Leg: flexion, lateral rotation
(Closed chain: trunk extension)
Semitendinosus
Origin
Ischial tuberosity
Semitendinosus
Insertion
Proximal shaft of medial tibia (Pes Anserine)
Semitendinosus
Innervation
Tibial part of Sciatic Nerve (L4-S3)
Semitendinosus
Action
Thigh: extension
Leg: flexion, medial rotation
(Closed chain: trunk extension)
Semimembranosus
Origin
Ischial tuberosity
Semimembranosus
Insertion
Posterior part of medial tibial condyle
Semimembranosus
Innervation
Tibial part of Sciatic Nerve (L4-S3)
Semimembranosus
Action
Thigh: extension
Leg: flexion, medial rotation
(Closed chain: trunk extension)
Gluteus Maximus
Origin
Ilium posterior to posterior gluteal line, dorsal surface of sacrum, lateral coccyx, sacrotuberous ligament
Gluteus Maximus
Insertion
Iliotibial tract to anterolateral tibial tubercle (Gerdy’s Tubercle), gluteal tuberosity
Gluteus Maximus
Innervation
Inferior Gluteal Nerve (L5-S2)
Gluteus Maximus
Action
Thigh: extension, lateral rotation
Closed chain: trunk extension
Gluteus Medius
Origin
Ilium between anterior and inferior gluteal lines
Gluteus Medius
Insertion
Lateral surface of greater trochanter
Gluteus Medius
Innervation
Superior Gluteal Nerve (L4-S1)