Term
|
Definition
anconeus
Origin: lateral epicondyle of humerus
insertion: lateral olecranon process
Action: abducts ulna during pronation |
|
|
Term
|
Definition
|
|
Term
|
Definition
abductor pollicis longus
origin: posterior surface of radius and ulna
insertion: metecarpal 1 and trapezium
Action: abducts/extends thumb |
|
|
Term
|
Definition
extensor pollicis brevis
origin: doesal shaft of radius
Insertion: proximal phanlynx of thumb
Action: extends thumb
|
|
|
Term
|
Definition
extensor pollicis longus
Origin:dorsal shaft of ulna
Insertion: base of distal phalanx of thumb
Action: extends thumb |
|
|
Term
|
Definition
extensor indicis
Origin: distal 1/3 of dorsal ulna
Insertion: base of proximal phalanx of #2
Action: extends pointer finger;assists pronation |
|
|
Term
|
Definition
extensor carpi radialis longus
Origin: lateral supercondylar ridge of humerus
insertion: base of metecarpal #2
Action: extends/abducts wrist |
|
|
Term
|
Definition
extensor carpi ulnaris
Origin: lateral epicondyle; posterior border of the ulna
insertion: base of metacarpal #5
Action: extends/adducts wrist
|
|
|
Term
|
Definition
extensor digitorum
Origin: lateral epicondyle
Insertion: distal phalanges off fingers 2-5
Action: extends fingers and wrist |
|
|
Term
|
Definition
illiacus
Origin: illiac fossa and crest; lateral sancrum
insertion: lesser trochanter of femur
Action: flex thigh |
|
|
Term
|
Definition
quadratus
origin: illiac crest
insertion: transverse proccess of upper lumbar vertabrae and lower margin of 12th rib
Action: flexes spine laterally; maintains posture |
|
|
Term
|
Definition
psoas major (deep)
Origin: t12 and lumbar vertabrae
insertion: lesser trochanter of femur
Action: lateral flexion of spine |
|
|
Term
|
Definition
psoas minor (deep)
Origin: T12 and L1
insertion: Pubis
Action: flexes lumbar spine |
|
|
Term
|
Definition
transverse abdominis
origin: inguinal ligament iliac crest cartilages of last 5 or 6 ribs
insertion: linea alba and pubic crest
Action: compresses abdominal contents |
|
|
Term
|
Definition
internal oblique
origin: illiac crest, inguinal ligament
insertion: linea alba, pubic crest, costal cartilages of last 3 ribs
action: flexes vertebral column (oblique curls) |
|
|
Term
|
Definition
rectus abdominis
Origin: pubic crest and symphyisis
insertion: xiphoid process and costal cartilages of ribs 5-7
action: flexes/ rotates vertabral column (sit ups) |
|
|
Term
|
Definition
external oblique
origin: anterior surface of the last 8 ribs
insertion: lina alba, pubic crest, iliac crest
Action: flexes/rotates vertabral column (oblique curls) |
|
|
