Final Lab Origin, insertions and sructure. Flashcards
Tensor Fascia Lata (origin)
Crest/illium
Tensor Fascia Lata ( insertion)
Iliotibial tract
Tensor Fascia Lata ( action)
Flexes
Abducts and medially rotates the femur
Helps stabilize knee
Tensor Fascia Lata ( Nerve Supply)
Superior gluteal n.
L4,L5,S1
Gluteus Maximus ( origin)
Posterior gluteal line / illum
Sacrum and coccyx
posterior ligaments of SI joint
Gluteus Maximus (insertion)
Gluteal tuberosity of femur
iliotibial tract
Gluteus Maximus ( Action)
Extends and laterally rotates femur ( for great strength when going from sitting to standing)
Stabilizes the knee
Helps stabilize pelvic bone
Gluteus Maximus ( nerve Supply)
Inferior gluteal nerve ( L5, S1, S2)
Gluteus minimus ( origin)
External surface of illium
Gluteus minimus ( insertion)
Greater trochanter/ femur
Gluteus minimus ( actions)
Abducts femur
medially roates femur
Helps steady pelvic bone when opp. foot raised off.
Piriformis ( origin)
Anterior surface of sacrum
Piriformis (insertion)
Greater trochanter/ femur
Piriformis ( Actions )
Laterally rotates the femur.
Superior Gamellus ( Origin)
Spine of Ishium
Superior Gamellus (insersion)
Greater trochanter/ femur
Superior Gamellus ( action)
Laterally Rotates the femur
Piriformis ( nerve Supply)
S1, S2
Superior Gamellus ( nerve Supply)
L4,L5,S1,S2
Obturator Internus ( origin)
Internal surafce/ obutarotor membrane
Obturator Internus ( insersion)
Greater trochanter/ femur
Obturator Internus ( Action)
Laterally rotates Femur
Obturator Internus ( nerve Supply)
L4,L5,S1,S2
Interior gemellus ( Origin)
ishial tuberosity
Interior gemellus ( Insertions)
Greater trochanter/ femur
Interior gemellus ( actions)
Laterally rotates femur
Interior gemellus ( nerve supply)
L4,L5,S1,S2
Obturator externus (origin)
External surface obturator membrane
Obturator externus ( Insersion)
Trochanteric fossa/ femur
Quadratus Femoris ( origin )
Ischial tuberosity
Quadratus Femoris ( Insertion)
Quadrate tubercle of femur
Quadratus Femoris( Nerve Supply)
L4,L5,S1, S2
Semitendinosus ( Origin)
Ischial Tuberosity
Semitendinosus ( insertion)
Medial condyle/ tibia
Proximal post. Shaft/ tibia
Semitendinosus ( action)
Flexion/leg at the knee
Stabilize hip
extend femur
medially rotate the leg
Semitendinosus ( Nerve supply and segments)
Sciatic Nerve
L4,L5,S1,S2,S3
Semimembranosus ( Origin)
ischial tuberosity
Semimembranosus ( insertion)
Medial condyle/tibia
Semimembranosus ( actions )
Flexion/leg at the knee
Stabilize hip
extend femur
medially rotate the leg
Semimebranousus (nerve Supply and segments)
Sciatic nerve
L4,L5,S1,S2,S3
Biceps Femoris ( origin)
Long head: ischial Tuberosity
Biceps Femoris ( insertions)
Head of fibula
Lateral condyle/tibia
Biceps Femoris ( Action)
1) flexion of leg # knee
2) Stabilizes hip
3) Extends the femur
4) laterally rotates the leg.
Biceps Femoris ( Nerve supply and segments)
Sciatic Nerve L4,L5,S1,S2,S3
Tibialis Anterior ( origin)
1) shaft of tibia
2) Interossous membrane
Tibialis Anterior ( insertions)
1) 1st metatarsal
2) Medial cuneiform
Tibialis Anterior ( action)
1) inverts and dorsal flexes foot
2) support medial longitudinal arch
Tibialis Anterior( Nerve Supply )
Deep fibular nerve L5 and S1
Extensor digitorum longus ( origin)
1) lateral condyle/ tibia
2) shaft of fibula
3) Interosseous membrane
Extensor digitorum longus ( insertion)
Distal phalanges / digits 2-5
Extensor digitorum longus ( action)
Extends digits 2-5
Dorsal flexes foot
Extensor digitorum longus ( nerve supply)
Deep fibular nerve L5 and S1
Fibularis Tertius ( origin)
Shaft fibula
Fibularis Tertius ( insertion)
5th metatarsal
Fibularis Tertius ( action)
Everts and dorsal flexed foot.
Fibularis Tertius ( nerve supply )
Deep fibular nerve L5 and S1
Extensor hallucis longus ( origin)
1) shaft / fibular
2) interosseus membrane
Extensor hallucis longus ( insertion)
Distal phalanx digit 1
Extensor hallucis longus ( Action)
1) Extends digit 1
2) Dorsal flexes foot
Extensor hallucis longus ( Nerve Supply)
Deep fibular nerve
Fibularis Longus ( origin)
shaft and head of fibula
Fibularis Longus ( insetion)
1) 1st metatarsal
2) Medial cuneiform
Fibularis Longus( action)
1) Evert and plantar felxes foot
2) Support lateral and transverse arches
Fibularis longus ( nerve supply )
Supericial fibular nerve
Fibularis Brevis ( origin)
Shaft of fibular
Fibularis Brevis ( insertion)
5th metatarsal
Fibularis Brevis ( Action)
1) Everts and plantar flexes foot.
2) Supports lateral arches.
Fibularis Brevis ( Nerve Supply)
Superificial Fibular nerve.
Gastrocnemius (Origin)
Lateral and Medial condyles and epicondyle/ femur
Gastrocnemius (Insertion)
Tuberosity/ calcaneus
Gastrocnemius ( Action)
1) plantar flexes foot
2) flexes leg
Gastrocnemius ( Nerve Supply)
Tibial nerve S1 and S2
Soleus ( Origin)
1) Soleal line/ tibia
2) Shaft and head/ fibula
Soleus (Insertion)
Tuberosity/ Calcaneus
Soleus ( Action)
1) inverts and plantar flexes
2) Stabilizes ankle
Soleus ( Nerve Supply)
Tibial Nerve S1 and S2
Plantaris (Origin)
Lateral supracondylar ridge/ femur
Plantaris ( Insertion)
Tuberosity/ Calcaneus
Plantaris ( Action)
Plantar flexes foot
Plantaris ( nerve supply)
Tibial nerve S1 and S2
Popliteus ( Origin)
Lateral Condyle/ Femur
Popliteus ( Insertion)
posterior proximal shaft/ tibia