Module 11 - Lower Body Movement

Hip joint

Ball and socket joint

Ball and socket joint

Multi axial

Psoas Major

Flexion and medial rotation of the thigh

Action of the Psoas Major

Lumbar vertebrae (transverse processes)

Origin of the Psoas Major

Lesser trochanter of the femur

Insertion of the Psoas Major

L1 spinal nerve

Innervation of the Psoas Major

Gluteus maximus

Extension of the thigh

Action of the Gluteus maximus

Dorsal ilium, sacrum, coccyx

Origin of the Gluteus maximus

Gluteal tuberosity, iliotibial tract

Insertion of the Gluteus maximus

Inferior gluteal nerve

Innervation of the Gluteus maximus

Gluteus medius

Abduction of the thigh

Action of the Gluteus medius

Lateral ilium

Origin of the Gluteus medius

Greater trochanter of the femur

Insertion of the Gluteus medius

Superior gluteal nerve

Innervation of the Gluteus medius

Tensor fascia latae

Flexion and abduction of the thigh

Action of the Tensor fascia latae

Anterior iliac crest, anterior-superior iliac spine

Origin of the Tensor fascia latae

Iliotibial tract

Insertion of the Tensor fascia latae

Superior gluteal nerve

Innervation of the Tensor fascia latae

Quadratus femoris

Lateral rotation of the thigh

Action of the Quadratus femoris

Ischial tuberosity

Origin of the Quadratus femoris

Trochanteric crest

Insertion of the Quadratus femoris

L5 spinal nerve

Innervation of the Quadratus femoris

Pectineus

Adduction, flexion and medial rotation of the thigh

Action of the Pectineus

Pectineal line of the pubis

Origin of the Pectineus

Lesser trochanter to linea aspera of the femur

Insertion of the Pectineus

Femoral nerve

Innervation of the Pectineus

Rectus femoris

extension of the leg (and thigh flexion)

Action of the Rectus femoris

Anterior inferior iliac spine, superior acetabulum

Origin of the Rectus femoris

Patella, tibial tuberosity

Insertion of the Rectus femoris

Femoral nerve

Innervation of the Rectus femoris

Sartorius

flexion of the leg (and flexion, abduction and lateral rotation of the thigh)

Action of the Sartorius

Anterior superior iliac spine

Origin of the Sartorius

Medial proximal tibia

Insertion of the Sartorius

Femoral nerve

Innervation of the Sartorius

Biceps femoris

flexion of the leg (and extension and lateral rotation of the thigh)

Action of the Biceps femoris

Ischial tuberosity

Origin of the Biceps femoris

Head of fibula

Insertion of the Biceps femoris

Tibial nerve

Innervation of the Biceps femoris

Semimembranosus

flexion of the leg (and extension and medial rotation of the thigh)

Action of the Semimembranosus

Ischial tuberosity

Origin of the Semimembranosus

Medial condyle of tibia

Insertion of the Semimembranosus

Tibial nerve

Innervation of the Semimembranosus

Ankle point

plane joint

Tibialis anterior

dorsiflexion, inversion

Action of the Tibialis anterior

Lateral condyle of tibia

Origin of the Tibialis anterior

Cuneiform, 1st metatarsal

Insertion of the Tibialis anterior

Deep fibular nerve

Innervation of the Tibialis anterior

Fibularis longus

plantar flexion, eversion

Action of the Fibularis longus

Upper fibula

Origin of the Fibularis longus

Cuneiform, 1st metatarsal

Insertion of the Fibularis longus

Superficial fibular nerve

Innervation of the Fibularis longus

Gastrocnemius

plantar flexion (and flexion of the leg)

Action of the Gastrocnemius

Medial and lateral condyle of the femur

Origin of the Gastrocnemius

Calcaneus (via achilles tendon)

Insertion of the Gastrocnemius

Tibial nerve

Innervation of the Gastrocnemius

Flexor digitorum brevis

flexion of the toes

Action of the Flexor digitorum brevis

Calcaneal tuberosity

Origin of the Flexor digitorum brevis

Proximal phalanges

Insertion of the Flexor digitorum brevis

Medial plantar nerve

Innervation of the Flexor digitorum brevis

Extensor digitorum brevis

extension of the toes

Action of the Extensor digitorum brevis

Calcaneus

Origin of the Extensor digitorum brevis

Base of middle phalanges

Insertion of the Extensor digitorum brevis

Deep fibular nerve

Innervation of the Extensor digitorum brevis