Gait Cycle Muscular Activities: Ankle, Knee, Hip, Subtalar, MTP

IC Ankle

Pretibial muscles (Isometric)

IC Knee

Quadriceps (Prep for next phase)

IC Knee

Hamstrings (Counter extension torque)

IC Hip

All Hip Extensors (Active, high intensity)

IC Hip

Semimembranosis & Biceps Femoris Long Head (Activity wanes)

LR Ankle

Pretibial muscles (Eccentric)

LR Ankle

Soleus & Gastrocnemius (Eccentric)

LR Subtalar

Anterior & Posterior Tibial muscles (Eccentric)

LR Knee

Quadriceps (Eccentric)

LR Knee

Hamstrings (Diminished activity)

LR Hip

Hip Extensors (Active)

LR Hip

Hip Abductors (Active)

MSt Ankle

Soleus & Gastrocsoleus (Calf muscles) (Eccentric)

MSt Subtalar

Posterior Tibialis, Soleus, Peroneals (Eccentric)

MSt Knee

Quadriceps (Stabilize knee)

MSt Knee

Calf muscles (Restrain tibia)

MSt Hip

Hip Abductors (Active)

TSt Ankle

Calf muscles (Activity peaks)

TSt Subtalar

Posterior Tibialis & Soleus (Concentric)

TSt Subtalar

Peroneals (Isometric)

TSt MTP

Calf muscles, Posterior Tibialis & Soleus (Concentric)

TSt Knee

Calf muscles (Continue to stabilize knee)

TSt Knee

Biceps femoris (May be active)

TSt Hip

Posterior fibers of TFL (Cease activity)

TSt Hip

Anterior fibers of TFL (May become active)

PSw Ankle

Pretibial muscle activity (Initiated)

PSw Subtalar

Anterior Tibialis (Begins to contract)

PSw Knee

Gracilis (Minimal activity)

PSw Knee

Rectus femoris (May be active)

PSw Hip

Adductor Longus (Concentric)

PSw Hip

Rectus femoris (May be active)

ISw Ankle

Pretibial muscles (Concentric)

ISw Subtalar

Anterior Tibialis (Stabilizes medially)

ISw MTP

EHL & EDL (Peak in activity)

ISw Knee

Biceps Femoris Short Head (Peak in activity)

ISw Knee

Sartorius (Peak in activity)

ISw Knee

Gracilis (Peak in activity)

ISw Hip

Iliacus (Active)

ISw Hip

Gracilis (Active)

ISw Hip

Sartorius (Active)

ISw Hip

Adductor Longus (Active)

MSw Ankle

Pretibial muscles (Concentric)

MSw Subtalar

Anterior Tibialis (Stabilizes medially)

MSw Knee

Biceps Femoris Short Head (May control rate of extension)

MSw Knee

Hamstrings (Active late in phase)

MSw Hip

Hamstrings (Become active late in phase)

TSw Ankle

Pretibial muscles (Isometric)

TSw Subtalar

Anterior Tibialis (Stabilizes medially)

TSw Knee

Quadriceps (Concentric)

TSw Knee

Hamstrings (Peak in activity)

TSw Hip

Hamstrings (Peak in activity)

TSw Hip

Adductor Magnus (Become active)

TSw Hip

Gluteus Maximus & Medius (Become active)

TSw Hip

TFL (Become active)