Lower Limb Biomechanics: Stair Ascent and Descent

Flashcards detailing joint movements and concentric/eccentric muscular actions of the hip, knee, and ankle during stair ascent and descent.

Hip Movement (Stair Ascent)

Extension

Muscular Action Type (Stair Ascent)

Concentric (con)

Hip Muscular Action (Stair Ascent)

Gluteus maximus, Biceps femoris, Semimembranosus, and Semitendinosus

Knee Movement (Stair Ascent)

Extension

Knee Muscular Action (Stair Ascent)

rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius

Ankle Movement (Stair Ascent)

Plantar flexion

Ankle Muscular Action (Stair Ascent)

Gastrocnemius, Soleus, Peroneus longus, Peroneus brevis, plantaris, flexor hallucis longus, flexor digitorum longus, and tibialis posterior

Hip Movement (Stair Descent)

Flexion

Muscular Action Type (Stair Descent)

Eccentric (Ecc)

Hip Muscular Action (Stair Descent)

Gluteus maximus, Biceps femoris, Semimembranosus, and Semitendinosus

Knee Movement (Stair Descent)

Flexion

Knee Muscular Action (Stair Descent)

rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius

Ankle Movement (Stair Descent)

Dorsiflexion

Ankle Muscular Action (Stair Descent)

Gastrocnemius, Soleus, Peroneus longus, Peroneus brevis, plantaris, flexor hallucis longus, flexor digitorum longus, and tibialis posterior