Podcast
Questions and Answers
What is the term for the 'Tailors muscle'?
What is the term for the 'Tailors muscle'?
Which lateral compartment muscles plantar flex and evert the foot?
Which lateral compartment muscles plantar flex and evert the foot?
fibularis longus, gastrocnemius
Which muscle abducts the thigh to take the 'at ease stance'?
Which muscle abducts the thigh to take the 'at ease stance'?
Sartorius
Which muscles flex the trunk onto the thigh, as in 'taking a bow'?
Which muscles flex the trunk onto the thigh, as in 'taking a bow'?
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Name the posterior compartment muscles that plantar flex the foot.
Name the posterior compartment muscles that plantar flex the foot.
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Which muscle adducts the thigh when standing at attention?
Which muscle adducts the thigh when standing at attention?
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What muscle is responsible for extending the toes?
What muscle is responsible for extending the toes?
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Which muscles extend the leg and flex the thigh?
Which muscles extend the leg and flex the thigh?
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Study Notes
Muscles of the Lower Limb
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Sartorius: Commonly referred to as the "Tailor's muscle," this muscle is involved in flexing the thigh and is key for actions such as crossing the legs.
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Lateral Compartment Muscles:
- Fibularis Longus: Plays a role in plantar flexing and everting the foot.
- Gastrocnemius: Also contributes to plantar flexion and is one of the major calf muscles.
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Sartorius Functionality: Abducts the thigh, facilitating the "at ease stance," which is a position of relaxation and composure.
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Flexing the Trunk:
- Rectus Femoris: Part of the quadriceps group, it assists in flexing the trunk onto the thigh, similar to the action of bowing.
- Tensor Fascia Lata: Works alongside rectus femoris to perform the flexion.
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Plantar Flexion Muscles:
- Gastrocnemius: As a key muscle in the posterior compartment, it is crucial for plantar flexion.
- Sartorius: While mainly known for other functions, it also contributes to foot movement.
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Adductor Longus: Responsible for adducting the thigh, especially noticeable in the "standing at attention" posture.
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Extensor Digitorum Longus: This muscle is responsible for extending the toes, essential for various movements and the foot's function.
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Leg Extension and Thigh Flexion:
- Rectus Femoris: Helps in extending the leg while flexing the thigh.
- Vastus Lateralis & Vastus Medialis: Both are part of the quadriceps group, contributing significantly to leg extension.
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Description
Test your knowledge of the muscles of the lower limb with these flashcards. Each card provides the muscle name along with its definition and function. Perfect for anatomy students or anyone wanting to reinforce their understanding of human anatomy.
