Question

In: Anatomy and Physiology

actions of these muscles. Muscle                                       &nb

actions of these muscles.

Muscle                                        origin                                        insertion                      action

Rectus femoris

(one of quadriceps muscles)

anterior inferior iliac spine and superior margin of acetabulum

patella and tibial tuberosity via patellar ligament

Gluteus maximus

dorsal ilium, sacrum and coccyx

gluteal tuberosity of femur

Semimembranosus

ischial tuberosity

medial condyle of tibia; via ligament to lateral condyle of femur

Semimembranosus

Biceps Femoris

and Brachailis

Brachioradialis

Gracilis

inferior ramus and body of pubis

medial surface of tibia, just inferior to medial condyle

Popliteus

Tensor fascia latae

anterior aspect of iliac crest and anterior superior iliac spine

iliotibial tract

Sartorius

anterior superior iliac spine

medial aspect of proximal tibia

Tibealis anterior

lateral condyle and upper 2/3 of tibia shaft

inferior surface of medial cuneiform and 1st metatarsal bone

Gastrocnemius

two heads from medial and lateral condyles of femur

posterior calcaneous via calcaneal tendon

Soleus

Tibialis posterior

Name all of the Fibularis muscle

Solutions

Expert Solution

MUSCLE NAME ORIGIN INSERTION ACTION

Rectus femoris

(one of quadriceps muscles)

anterior inferior iliac spine and superior margin of acetabulum

patella and tibial tuberosity via patellar ligament

KNEE EXTENSION AND HIP FLEXION
GLUTEUS MAXIMUS dorsal ilium, sacrum and coccyx GLUTEAL TUBEROSITY OF FEMUR External rotation and extension of the hip joint, supports the extended knee through the iliotibial tract, chief antigravity muscle in sitting and abduction of the hip

Semimembranosus

BICEP FEMORIS AND BRACHAILIS BRACHIORADIALIS GRACIALIS

inferior ramus and body of pubis

MEDIALSURFACE OF TIBIA JUST INFERIOR TO MEDIAL CONDYLE

flexes knee joint, laterally rotates knee joint (when knee is flexed), extends hip joint (long head only)

Popliteus TENSOR FASCIA LATAE

anterior aspect of iliac crest and anterior superior iliac spine

ILIOTABIAL TRACT

Hip - flexion, medial rotation, abduction, knee - lateral rotation,

SARTORIUS

anterior superior iliac spine MEDIAL ASPECT OF PROXIMAL TIBIA Flexion, abduction, and lateral rotation of the hip, flexion of the knee

TIBEALIS ANTERIOR

lateral condyle and upper 2/3 of tibia shaft

inferior surface of medial cuneiform and 1st metatarsal bone

Dorsiflexion and inversion of the foot

Gastrocnemius

Two head from medial and lateral condyles of the femur posterior calcaneus via calcaneal tendon

plantar flexes foot flexes knee

SOLEUS TIBIALIS fibula, medial border of tibia tendo calcaneus PLANTAR FLEXION
FIBULARIS MUSCLE
FIBULARIS LONGUS
Proximal part of lateral surface of shaft of fibula
FIRST METATARSAL LATERAL CUNEIFORM
plantarflexion, eversion, support arches
FIBULARIS BREVIS Lower two-thirds of lateral fibula FIFTH META TARSAL PLANTAR FLEXION AND EVERSION
FIBULARIS TERTIUS distal anterior surface of the fibula also the interosseous membrane DORSAL SURFACE OF META TARSAL 5 dorsiflexion and eversion of the foot

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