Leg muscles Flashcards
Extensor digitorum brevis
Innervation: Deep Fibular Nerve
Action: Extend 4 medial digits at MTP
Extensor halluces brevis
Innervation: Deep Fibular Nerve
Action: Extend toe
Abductor digiti minimi
Innervation: Lateral plantar nerve
Action: Abuct and flexes 5th digit
Abductor hallucis
Innervation: Medial plantar nerve
Action: Abducts and flexes 1st digit
Flexor digitorum brevis
Innervation: Medial plantar nerve
Action: Flexes digits 2-5
1st medial Lumbrical
Innervation: Medial plantar nerve
Action: Flexes at MTP, extends at PIP joints
2-4 lateral lumbiricals
Innervation: Lateral plantar nerve
Action: Flexes at MTP, extends at PIP joints
Quadratus plantae
Innervation: Lateral plantar nerve
Action: Assists in flexion of toes
Adductor hallucis
Innervation: Lateral Plantar nerve
Action: Adduct 1st digit. Maintains Transverse arch.
Flexor digiti minimi brevis
Innervation: Lateral Plantar Nerve
Action: Flexes 5th digit (proximal phalynx)
Flexor hallucis brevis
Innervation: Medial pantar nerve
Action: Flexes proximal Phalynx of first digit
Dorsal interossei, DABS
Innervation: Lateral plantar nerve
Action: Abduct digits 2 (bot sides),3,4,5, 2 is midline + flex
Plantar interossei, PAD
Innervation: Lateral plantar nerve
Action: Adduct digits 3,4,5 + flex
Gluteus maximus
Innervation: Inferior gluteal nerve
Action:Extends thigh, laterally rotates, abducts thigh. Extends knee.
Gluteus minimus
Innervation: Superior gluteal nerve
Action: Abduct, medially rotates thigh
Inferior gamellus
Innervation: Nerve to quadratus femorus
Action: Laterally rotates thigh,
Oburator internus
Innervation: Nerve to obturator internus
Action: Laterally rotates, abducts thigh
Piriformis
Innervation: L5, S1, S2
Action: lat rotates hip, abducts thigh
Superior gemellus
Innervation: Obturator internus
Action: lateral rotation
Tensor fasciae latae
Innervation: Superior gluteal
Action: Abduction of thigh, medially rotates, flexes hip. Extends knee