Muscles according to movement

Question 1

Cervical spine

Answer 1

Flx (80-90)- Longus colli, longus capitus, SCM, scalenes, rectus capitus anterior

Ext (70)- Trapezius, sub occipital group, D+S erector spinae group, splenius captitus, lev scap

SB (20-45)- SCM, trapezius, sub occipital group, erector spinae group, scalenes, lev scap

Rot (70-90)- SCM, trapezius, scalenes anterior, deep erector spinae, sub occipital group

Question 2

Thoracic spine

Answer 2

Flx (20-45)- rectus abdominus, gravity, psoas minor, obliques

Ext (25-45)- trapezius, QL, D+S erector spinae group

SB (20-40)- psoas major, obliques, superficial erector spinae, QL

Rot (35-50)- levator costarum, deep erector spinae, obliques

Question 3

Lumbar spine

Answer 3

Flx (40-60)- rectus abdominus, gravity, psoas minor, obliques

Ext (25-35)- Deep and superficial erector spinae, QL

SB (20-40)- QL, superficial erector spinae, obliques, psoas major

Rot (3-18)- levator costarum, obliques, deep erector spinae

Question 4

Hip

Answer 4

Flx (110-120)- psoas and iliacus

Ext (10-15)- Glut max, hamstring

Add (30)- adduct longus, brevis, magnus

Abd (30-50)- glut med and min (supported by TFL)

Int rot (30-40)- TFL, glut med and min

Ext rot (40-60)- obturator internus and externes, gamellus superior and inferior, quadratus femoris

Question 5

Shoulder

Answer 5

Flexion (180)- ant deltoid, pec major, coracobrachialis, biceps brachii, trapezius

Ext (50)- posterior deltoid, triceps, tires major, trapezius (middle fibres)

Add (10)- pec major, lat dorsi, teres major

Abd (180)- (0-90)- deltoid, supraspinatus (90-180)- upper fibres of traps, serrates anterior (lower fibres0

Internal rotation (70)- pec major, anterior deltoid, lat dorsi, tires major, subscapularis

Ext rotation (90)- infraspinatus, posterior deltoid, teres minor

Question 6

Knee

Answer 6

Flx (140)- hamstrings

Ext (5-15)- quads (assisted by sartorius)

Internal rot (30)- popliteus, semimembranosus, semitendinosus

External rot (40)- biceps femoris