Stott Pilates Exam (2023)| Origins and Insertions of Muscles .(100%)

Gastrocnemius - ANSWER - A: plantarflexes and inverts foot at ankle, O:femoral condyles I: Calcaneus via achilles tendon Soleus - ANSWER - A: plantarflexes and inverts foot at ankle O: Upper 1/3 of fibia I: Calcaneus via achilles tendon Tibialis Anterior - ANSWER - A: Dorsiflexes and inverts foot at ankle O: Lateral condyle of tibia I: plantar surface of first metatarsal and cuneiform Tibialis Posterior - ANSWER - A: Inverts and plantarflexes the foot at ankle. Medial ankle stabilizer. O: Lateral part of posterior surface of tibia, proximal 2/3 of medial surface of fibula. I: Tuberosity of navicular, with branches to sustenaculum tali of calcaneus, plantar surfaces of all 3 cuneiforms, cuboid, and bases of 2nd, 3rd, and 4th metatarsal bones. Popliteus - ANSWER - A: Rotates tibia medially on the femur, or femur laterally on tibia. Brings knee out of full extension. Helps with posterior stability of knee O: Lateral condyle of the femur I: Posterior surface of tibia above soleal line. Plantaris - ANSWER - A: plantar flexes and inverts the foot at the ankle, flexes the leg at the knee. O: Lower part of lateral supracondylar line of femur, and oblique popliteal ligament of knee. I: Posterior part of the calcaneus medial to the achilles tendon. Peroneus Longus - ANSWER - A: Eversion and plantar flexion of foot at ankle. Gives lateral stability to the ankle. O: Head and proximal 2/3 of lateral tibia I: Lateral margin of plantar surface of 1st cuneiform and metatarsal.