Origins And Insertions 4

Front 1

Adductor Compartment--Adductor Pollicis:
Origin

Back 1

Oblique Head: Base of 2nd & 3rd metacarpals
Transverse Head: Base of 3rd metacarpal

Front 2

Adductor Compartment--Adductor Pollicis:
Insertion

Back 2

Base of proximal phalanx of thumb

Front 3

Adductor Compartment--Adductor Pollicis:
Action

Back 3

Adducts thumb (thereby giving power to the grip)

Front 4

Adductor Compartment--Adductor Pollicis:
Innervation

Back 4

Deep branch of the ulnar nerve (c8, T1)

Front 5

Central Compartment--4 Lumbricals:
Origin

Back 5

Arise from adjacent tendons of the Flexor Digitorum Profundus

Front 6

Central Compartment--4 Lumbricals:
Insertion

Back 6

Lateral sides of the extensor expansions of digits 2-5

Front 7

Central Compartment--4 Lumbricals:
Action

Back 7

Flexes MCP joints
extends IPJ's
Assists long flexors

Front 8

Central Compartment--4 Lumbricals:
Innervation

Back 8

Medial 2: Ulnar Nerve (c8 & T1)
Lateral 2: Median Nerve (c8 & T1)

Front 9

Central Compartment--3 Palmer Interosseous:
Origin

Back 9

Palmar surface/shaft of the 2nd, 4th, & 5th metacarpals

Front 10

Central Compartment--3 Palmer Interosseous:
Insertion

Back 10

Base of the proximal phalanx of 2nd, 4th, & 5th digits; extensor hood

Front 11

Central Compartment--3 Palmer Interosseous:
Action

Back 11

Assists with flexing MCP joints
Adducts digits towards axial line

Front 12

Central Compartment--3 Palmer Interosseous:
Innervation

Back 12

Deep branch of ulnar (c8 & T1)

Front 13

Central Compartment--4 Dorsal Interosseous:
Origin

Back 13

Adjacent sides of 2 metacarpals

Front 14

Central Compartment--4 Dorsal Interosseous:
Insertion

Back 14

Base of the proximal phalanx of digits 2-4; extensor hood

Front 15

Central Compartment--4 Dorsal Interosseous:
Innervation

Back 15

Deep branch of ulnar nerve (c8 & T1)

Front 16

Central Compartment--4 Dorsal Interosseous:
Action

Back 16

Abducts digits from axial line
Assists with the flexion of the MCP joint

Front 17

Intrinsic Muscles of the hand (innervation): _____ & _____ have no emphasis on T1 while ______. Thenar's innervation is _____.

Back 17

Thenar & Hypothenar
the rest do have emphasis on T1 (except the 4 lumbricals...FDP)
Recurrent branch of median

Front 18

Psoas Major:
Origin

Back 18

T12-L5 Vertebrae & Discs

Front 19

Psoas Major:
Insertion

Back 19

Lesser Trochanter Femur

Front 20

Psoas Major:
Innervation

Back 20

Ventral rami of lumbar nerves

Front 21

Psoas Major:
Action

Back 21

Acts conjointly in flexing the thigh at the hip and stabilizing the hip joint

Front 22

Iliacus:
Origin

Back 22

Iliac crest & fossa and the sacroiliac joint

Front 23

Iliacus:
Insertion

Back 23

Tendons of the psoas major & the lesser trochanter

Front 24

Iliacus:
Innervation

Back 24

Femoral Nerve (L2, 3, & 4)

Front 25

Iliacus:
Action

Back 25

Acts conjointly in flexing the thigh at the hip and stabilizing the hip joint.

Front 26

Sartorius:
Origin

Back 26

Superior anterior iliac spine

Front 27

Sartorius:
Insertion

Back 27

Superomedial tibial surface (pes anserinus)

Front 28

Sartorius:
Innervation

Back 28

Femoral Nerve (L2, 3, 4)

Front 29

Sartorius:
Action

Back 29

Flexes, abducts, & laterally rotates the thigh at the hip
Flexes knee

Front 30

Pictineus:
Origin

Back 30

Superior ramus of pubis

Front 31

Pectineus:
Insertion

Back 31

Pectineal line of femur

Front 32

Pectineus:
Innervation

Back 32

Femoral Nerve (L2, 3, 4)

Front 33

Pictineus:
Action

Back 33

Flexes & adducts the thigh at the hip
Assists with medial rotation

Front 34

Flexor Retinaculum

Back 34

a fibrous band forming the carpal canal through which the tendons of the flexor muscles of the hand & fingers pass