Neck, back and hand anatomy Flashcards
Erector spinae
o: sacrum
i: ribs, vertebrae, cranium
a: spine ext
Ant scalenes
o: TP of C3-6
i: rib 1
a: side flexion and rib elevation
Mid scalenes
o: TP of C2-7
i: rib 1
a: sideflex and rib elevation
Post scalenes
o: TP of C5-7
i: rib 2
a: side flexion and rib elevation
Splenius capitis
o: nuchal ligament and SP of C7-T3
i: Mastoid process
a: extends, rotates and laterally flexes neck
Sternocleidomastoid
o: sternum and clavicle
i: mastoid process
a: rotate, side bend, flex neck
Lev scap
o: TP of C1-4
i: superior border of scap
a: elevates scap
Lats
o: SP of T7-L5, iliac crest, 3or 4 ribs, inferior angle of scap
i: bicipital groove of humerus
a: adduction, internal rotation, extension or shoulder
Rhomboid minor
o: SP C7-T1
i: medial scap
a: elevates and retracts scap
Rhomboid major
o: SP of T2-T5
i: medial scap
a: elevates and retracts scap
Trapezius
o: SP of C7-T12 and occiput
i: lateral clavicle, acromion process and spine of scap
a: upper: elevates scap, middle: retracts scap, lower: depresses scap
Teres major
o: inferior angle of scap
i: bicipital groove
a: internal rotation
Serratus anterior
o: ribs 1-9
i: anterior scap
a: protracts scap
Iliacus
o: Iliac fossa
i: lesser trochanter
a: hip flexion
Rectus abdominus
o: pubic crest
i: costal cartilage of ribs 5-7, xiphoid process of sternum
a: flexion of lumbar spine
Intercostals
o: ribs 1-11
i: ribs 2-12
a: elevates and depress ribs
Internal obliques
o: inguinal ligament, iliac crest
i: inferior ribs, xiphoid process
a: rotates abdomen to same side
External obliques
o: lower 8 ribs
i: iliac crest, inguinal ligament
a: rotates torso
Quad lomborum
o: iliac crest
i: Rib 12, TP of lumbar spine
a: lateral flexion and extension of vertebral column
Transverse abdominus
o: iliac crest, iliolumbar ligament, cartilage of lower 6 ribs
i: xiphoid process, linea alba and pubis
a: compression of ribs and viscera
Flexor carpi radialis
o: medial epicondyle
i: base of 2/3 metacarpal
a: flexion and abduction of wrist
Flexor carpi ulnaris
o: medial epicondyle
i: pisiform, hamate, 5th metacarpal
a: flexion and adduction of weist
Extensor carpi radialis brevis
o: lateral epicondyle
i: base of 3rd metacarpal
a: extension of wrist
Extensor carpi radialis longus
o: lateral epicondyle
i: base of 2nd metacarpal
a: extension of wrist
Extensor carpi ulnaris
o: lateral epicondyle
i: 5th metacarpal
a: extension of wrist
Palmaris longus
o: medial epicondyle
i: palmar aponeurosis
a: wrist flexor
