Muscular System Flashcards
Anterior Tibialis & Posterior Tibialis
Accelerates dorsiflexion and inversion of the foot
Soleus
Accelerates plantarflexion
Gastrocnemius
Accelerates plantarflexion
Peroneus Longus
Plantarflexes and everts the foot
Biceps Femoris - Long Head
accelerates knee flexion and hip extension
Biceps Femoris - Short Head
Accelerates knee flexion and tibial external rotation
Semimembranosus & Semitendinosus
Accelerates knee flexion, hip extension, and tibial internal rotation
Vastus Lateralis & Vastus Medialis & Vastus Intermedius
Accelerates knee extension
Rectus Femoris
Accelerates knee extension and hip flexion
Adductor Longus & Adductor Magnus – Anterior Fibers
Accelerates hip adduction, flexion, and internal rotation
Adductor Magnus – Posterior Fibers
Accelerates hip adduction, extension, and external rotation
Adductor Brevis
Accelerates hip adduction. flexion, and internal rotation
Gracilis
Accelerates hip adduction, flexion, and internal rotation
Assists in tibial internal rotation
Pectineus
Accelerates hid adduction, flexion, and internal rotation
Gluteus Medius
Accelerates hip abduction and internal rotation (anterior fibers)
Accelerates hip abduction and external rotation (posterior fibers)
Gluteus Minimus
Accelerates hip abduction and internal rotation
Gluteus Maximus
Accelerates hip extension and external rotation
Tensor Fascia Latae (including the IT band)
Accelerates hip flexion, abduction, and internal rotation
Psoas
Accelerates hip flexion and external rotation
Extends and rotates lumbar spine
Iliacus
accelerates hip flexion and external rotation
Sartorius
Accelerates hip flexion, external rotation, and abduction
Accelerates knee flexion and internal rotation
Piriformis
Accelerates hip external rotation, abduction, and extension