Leg and Thigh

Question 0

Flexor Digitorum Longus

Answer 0

Origin: Posterior tibia
Insertion: Distal phalanges of 2nd-5th digits
Actions: flexes toes, plantar flexes & inverts foot

Question 1

Extensor Digitorum Longus

Answer 1

Origin: Lateral condyles of the tibia, shaft of fibula
Insertion: medial and distal phalanges of 2nd-5th digits
Action: extends toes, dorsiflexes foot

Question 2

Adductor Longus

Answer 2

Origin: Pubis
Insertion: linea aspera at middle portion of femur
Action: adducts, flexes, & laterally rotates thigh

Question 3

Iliopsoas

Answer 3

Iliacus & Psoas major
Origin: Iliac crest, T12, L1-5, sacrum, iliac fossa
Insertion: lesser trochanter of femur
Action: flexes thigh and lumbar vertebrae

Question 4

Rectus Femoris

Answer 4

Origin: anterior inferior iliac spine, margin of acetabulum
Insertion: tibial tuberosity by patellar tendon
Action: flexes thigh, extends leg
Part of quadriceps

Question 5

Fibularis Longus

Answer 5

Origin: head & shaft of fibula, lateral condyle of tibia
Insertion: 1st metatarsal, medial cuneiform
Actions: plantar flexes & everts foot

Question 6

Gluteus Maximus

Answer 6

Origin: sacrum, outer iliac blade, iliac crest, coccyx
Insertion: gluteal tuberosity of the femur iliotibial band of fasciae latae
Action: extends thigh, laterally rotates thigh, braces knee

Question 7

Adductor Magnus

Answer 7

Origin: Pubis, ischium
Insertion: gluteal tuberosity, linea aspera, adductor tubercle of distal femur
Action: adducts, flexes, extends, & laterally rotates the thigh

Question 8

Tibialis Anterior

Answer 8

Origin: lateral condyle & proximal tibia
Insertion: 1st metatarsal & medial cuneiform
Action: dorsiflexes & inverts foot

Question 9

Gastrocnemius

Answer 9

Origin: condyles of femur
Insertion: calcaneous by calcaneal tendon
Action: flexes leg, plantar flexes foot

Question 10

Tibialis Posterior

Answer 10

Origin: Proximal portion of tibia & fibula
Insertion: 2nd-4th metatarsals, some tarsals
Action: plantar flexes & inverts foot

Question 11

Biceps Femoris

Answer 11

Origin: ischial tuberosity, linea aspera
Insertion: head of fibula, lateral condyle of tibia
Action: extends leg, flexes thigh
Part of hamstrings

Question 12

Muscles of the quadriceps

Answer 12

Rectus Femoris
Vastus Lateralis
Vastus Intermedis
Vastus Medials

Question 13

Muscles of the hamstrings

Answer 13

Biceps Femoris
Semitendinosus
Semimembranosus