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30 Cards in this Set
- Front
- Back
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POSTERIOR COMPARTMENT
SUPERFICIAL FLEXORS |
POSTERIOR COMPARTMENT
SUPERFICIAL FLEXORS |
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TRICEPS SURAE
Name the two Muscles |
1) Gastrocnemius
2) Soleus |
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TRICEPS SURAE
Gastronemius Insertions |
PROXIMAL
Femur: Medial Head to medial epicondyle and Lateral head to the lateral epicondyle DISTAL Calcanel Tuberosity via the Achilles' tendon |
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TRICEPS SURAE
Gastrocnemius Innervation |
Primarily S1
Tibial Nerve S1, S2 |
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TRICEPS SURAE
Gastrocnemius Actions |
Talocrural Joint: Plantar Flexion
Knee Joint: Flexion |
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TRICEPS SURAE
Soleus Insertion |
PROXIMAL
1) Fibula (head and neck, posterior surface) 2) Tibia (soleal line via tendinous arch) DISTAL Calcaneal Tendon via the Achillies' tendon |
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TRICEPS SURAE
Soleus Innervations |
PRIMARILY S1
Tibial Nerve S1, S2 |
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TRICEPS SURAE
Soleus Actions |
Talocrural Joint: Plantar Flexion
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PLANTARIS
Insertions |
PROXIMAL
Femur ( lateral epicondyle, proximal to lateral head of the gastrocnemius) DISTAL Calcaneal Tendon via Achillies' Tendon |
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PLANTARIS
innervations |
Tibial Nerve S1, S2
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PLANTARIS
Actions |
Negligible; may prevent compression of the posterior leg musculature during knee flexion
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DEEP FLEXORS OF THE POSTERIOR COMPARTMENT
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DEEP FLEXORS OF THE POSTERIOR COMPARTMENT
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POPLITEUS
Insertions |
PROXIMAL
1) Lateral Femoral condyle 2) Posterior horn of the lateral meniscus DISTAL Posterior tibial surface (above the origin at the soles) |
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POPLITEUS
Innervations |
Tibial Nerve L4- S1
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POPLITEUS
Actions |
Knee Joint:
1) flexion 2) Internal Rotation (Stabilizes the knee) |
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TIBIALIS POSTERIOR
Insertions |
PROXIMAL
1) Interosseus Membrane 2) Adjacent Borders of the tibia and fibula DISTAL 1) Navicular tuberosity 2) Cuneiforms (Medial, intermediate, Lateral) 3) 2nd - 4th metatarsals (bases) |
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TIBIALIS POSTERIOR
Innervations |
Tibial Nerve L4, L5
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TIBIALIS POSTERIOR
Actions |
Talocrural Joint: Plantar Flexion
Subtalar Joint: Inversion Supports the longitudinal and transverse arches |
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FLEXOR DIGITORUM LONGUS
Insertions |
PROXIMAL
Tibia (middle third of the posterior side) DISTAL 2nd - 5th distal phalanges |
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FLEXOR DIGITORUM LONGUS
Innervations |
Tibial Nerve L5 - S2
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FLEXOR DIGITORUM LONGUS
Actions |
Talocrural Joint: Plantar flexion
Subtalar Joint: inversion MTP and IP joints of 2 - 5 toes: plantar flexion |
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FLEXOR HALLICUS LONGUS
Insertions |
PROXIMAL
1) Fibula (distal 2/3 of the posterior surface), 2) Adjacent interosseus membrane DISTAL 1st distal phalanx (base) |
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FLEXOR DIGITORUM LONGUS
Innervations |
Tibial Nerve L5-S2
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FLEXOR DIGITORUM LONGUS
Actions |
Talocrural Joint: Plantar Flexion
Subcrural Joint: Inversion MTP and IP joints 2-5 toes: Plantar Flexion Supports the medial longitudinal arch |
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FLEXOR DIGITORUM LONGUS
Insertions |
PROXIMAL
Tibia (middle third of the posterior side) DISTAL 2nd - 5th distal phalanges |
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FLEXOR DIGITORUM LONGUS
Innervations |
Tibial Nerve L5 - S2
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FLEXOR DIGITORUM LONGUS
Actions |
Talocrural Joint: Plantar flexion
Subtalar Joint: inversion MTP and IP joints of 2 - 5 toes: plantar flexion |
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FLEXOR HALLICUS LONGUS
Insertions |
PROXIMAL
1) Fibula (distal 2/3 of the posterior surface), 2) Adjacent interosseus membrane DISTAL 1st distal phalanx (base) |
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FLEXOR DIGITORUM LONGUS
Innervations |
Tibial Nerve L5-S2
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FLEXOR DIGITORUM LONGUS
Actions |
Talocrural Joint: Plantar Flexion
Subcrural Joint: Inversion MTP and IP joints 2-5 toes: Plantar Flexion Supports the medial longitudinal arch |
