pedicure bones & muscles
TRANSCRIPT
Clare Hargreaves-Norris
Bones and Muscles of the Leg and Foot
NVQ Level 2 Beauty Therapy
Clare Hargreaves-Norris
The 3 main functions of the skeleton are:
Protects the internal organs Gives the body its shape Used for muscle attachment
Clare Hargreaves-Norris
Bones of the Leg
The lower leg is made up of 2 bones:
The tibia - which is also know as the shin bone. This the bone on the big toe side of the leg and takes the bodies weight.
The fibula - lies next to the tibia and protects the outside of the ankle.
Phalanges
MetatarsalsTarsals
Fibula
Tibia
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Bones of the Foot
The foot is made up of 3 groups of bones which fit together to support the foot:
7 Tarsal bones – make up the ankle.
5 Metatarsal bones – these are the long bones of the foot and support the arches of the feet.
14 Phalanges – these are the toes.
Phalanges
Metatarsals
Tarsals
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Function of the Muscles of the Lower Leg and Foot
The leg and foot muscles work together to propel the body in walking and running.
The foot is mainly moved by the muscles of the lower leg, which pull on the tendons in turn causing movement at the feet and toes.
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Characteristics of Muscle Tissue
Muscles are made of tiny elastic fibres that:
have the ability to shorten or contract spring back to their original form after
contraction stretch when relaxed respond to stimuli provided by nerve
impulses
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Muscles of the Lower Leg
The main muscles of the lower leg are:
The gastrocnemius – propels the body in walking and running.
The tibialis anterior – bends the ankle to pull the foot up to the leg.
The soleus – steadying function on the lower leg and points the toes.
Tibials anterior
Soleus Gastrocnemius
Extensor Digitorum Tendons
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Muscles of the Foot
What are the muscles of the foot responsible for?
The muscles of the foot are responsible for supporting the arches of the feet, curling and flexing the toes and assist with the walking process.
Flexor Digitorum Tendons
Flexor Digitorum Brevis
Abductor Digiti MinimiAbductor
Hallucis
Flexor Hallucis Longum