knls240 muscle quiz 3

Muscle Quiz #3

Name

Action

Origin

Insertion

Gluteus Maximus

· Extension of thigh at hip

· Lateral rotation of thigh

· Abduction of thigh

· Posterior ilium

· Sacrum

· Coccyx

· Iliotibial tract

· Gluteal tuberosity of femur

Gluteus Medius

· Abduction of thigh

· Medial rotation of thigh

· Lateral surface of ilium

· Greater trochanter of femur

Gluteus Minimus

· Abduction of thigh

· Medial rotation of thigh

· Lateral surface of ilium

· Greater trochanter of femur

Gracilis

· Adduction of thigh

· Flexion of knee

· Medial rotation of leg

· Inferior ramus of pubis

· Body of pubis

· Medial surface of tibia

Adductor Magnus

· Adduction of thigh

· Lateral rotation of thigh

· Flexion of thigh at hip

· Inferior ramus of pubis

· Ischial ramus

· Ischial tuberosity

· Linea aspera of femur

Adductor Longus

· Adduction of thigh

· Flexion of thigh at hip

· Medial rotation of thigh

· Pubis near pubic symphysis

· Linea aspera of femur

Adductor Brevis

· Adduction of thigh

· Medial rotation of thigh

· Inferior ramus of pubis

· Body of pubis

· Linea aspera of femur

Pectineus

· Adduction of thigh

· Flexion of thigh at hip

· Medial rotation of thigh

· Superior ramus of pubis

· Linea aspera of femur

Piriformis

· Lateral rotation of thigh when hip is extended

· Lateral surface of sacrum

· Greater trochanter of femur

Rectus Abdominus

· Flexion of lumbar region of vertebral column

· Rotates lumbar region of vertebral column

· Pubic crest

· Pubic symphysis

· Xiphoid process

· Ribs 5-7