Kinesiology Exam 3

Action of Soleus

Ankle-Plantar Flexion

Action of Tibialis Posterior

Ankle- Plantar Flexion

Foot- Supination

Action of Flexor Digitorum Longus

Ankle- Plantar Flexion

Foot- Supination

Toes- Flexion of phalanges 2-5

Action of Flexor Hallucis Longus

Ankle- Plantar Flexion

Foot- Supination

Toe- Flexion of 1st toe

Action of Tibialis Anterior

Ankle- Dorsal Flexion

Foot- Supination

Action of Extensor Digitorum Longus

Ankle- Dorsal Flexion

Foot- Pronation

Toe- extension of middle and distal phalanges of toes 2-5

Action of Extensor Hallucis Longus

Ankle- Dorsal Flexion

Foot- Supination

Toe- Extension of 1st toe

Action of Peroneus Longus

Ankle- Plantar Flexion

Foot- Pronation

Action of Peroneus Brevis

Ankle- Plantar Flexion

Foot- Pronation

Action of Peroneus Tertius

Ankle- Dorsal Flexion

Foot- Pronation

Action of Plantaris

Knee- Flexion

Ankle- Plantar Flexion

Action of Gastrocnemius

Knee- Flexion

Ankle- Plantar Flexion

Action of Popliteus

Knee- Flexion, Medial Rotation

Action of Vastus Lateralis, Medialis, and Intermedius

Knee- Extension

Action of Rectus Femoris

Hip- Flexion

Knee- Extension

Psoas Minor

O- 12th thoracic and 1st lumbar vertebrae

I- pectineal line of pubis

A- flexion of lumbar region of vertebral column

Psoas Major

O- transverse processes L1-5

I- lesser trochanter of femur

A- flexion of lumbar region of vertebral column

Hip- flexion, lateral rotation

Iliacus

O- iliac fossa

I- lesser trochanter

A- Hip-flexion, lateral rotation

Tensor Fasciae Latae

O- iliac crest and anterior superior iliac spine

I- ilio tibial band tract

A- Hip-flexion, abduction, medial rotation

Action of Sartorius

Hip- flexion, lateral rotation

Knee- flexion, medial rotation

Action of Biceps Femoris

Knee- flexion, lateral rotation

Action of Semitendinosus

Hip- extension, hyperextension, medial rotation, adduction

Knee- flexion, medial rotation

Action of Semimembranosus

Hip- extension, hyperextension, medial rotation, adduction

Knee- flexion, medial rotation

Gluteus Maximus

O- iliac crest, sacrum, coccyx

I- greater trochanter

A- Hip-extension, hyperextension, lateral rotation (upper: abduction, lower: adduction)

Gluteus Medius

O- ilium

I- greater trochanter

A- abduction (anterior: flexion, medial rotation, posterior: extension, lateral rotation)

Gluteus Minimus

O- ilium

I- greater trochanter

A- Hip-abduction, flexion, medial rotation

Pectineus

O- pectineal line of pubis

I- pectineal line of femur

A- Hip-flexion, adduction, lateral rotation

Adductor Brevis

O- inferior ramus of pubis

I- linea aspera

A- Hip-flexion, adduction, lateral rotation

Adductor Longus

O- ischium, inferior pubis

I- linea aspera

A- Hip-flexion, adduction, lateral rotation

Adductor Magnus

O- inferior rami of pubis and ischium, ischial tuberosity

I- linea aspera

A- Hip-adduction, lateral rotation (upper: flexion, lower: extension)

Action of Gracilis

Hip- adduction, medial rotation, and flexion (only when knee is extended)

Knee- flexion, medial rotation

Lateral Rotators

O- sacrum, ischium, obturator foramen

I- greater trochanter

A- Hip-lateral rotation, stabilization (horizontal extension if hip is flexed)