SHOULDER JOINT

Question 1

FLEXORS of Shoulder JOINT

Answer 1

1. M. Subscapularis (med)
2. M. Infraspinatus (lat)
3. M. Teres Major (med)
4. M. Teres Minor (lat)
5. Caput longum M. Triceps Brachii (lat)
6. M. Deltoideus (lat)

Question 2

EXTENSORS of Shoulder JOINT

Answer 2

1. M. Supraspinatus (lat)
2. M. Subscapularis (med)
3. M. Biceps Brachii (med)
4. M. Coracobrachialis (med)

Question 3

MUSCLES OF SHOULDER JOINT:
LATERAL:
M.SUPRASPINATUS
O - I - A- Innervation

Answer 3

O: Fossa supraspinatii
I: Tub.Majus
A: EXTEND and stabilize SJ
Innervation: N.Suprascapularis
(N.Subscapularis)

Question 4

MUSCLES OF SHOULDER JOINT:
LATERAL:
M. INFRASPINATI
O - I - A- Innervation

Answer 4

O: Fossa Infraspinata
I: Facies M. Infraspinati
A: FLEXES Shoulder
Innervation: N.Suprascapularis

Question 5

MUSCLES OF SHOULDER JOINT:
LATERAL:
M. DELTOIDEUS
O - I - A- Innervation

Answer 5

O:
Pars Acromialis: Acromion
Pars Scapulae: Caudal edge of SPINA SCAPULAE
I: Tuberositas deltoidea
A: FLEXES Shoulder
Innervation: N.Axillaris

Question 6

MUSCLES OF SHOULDER JOINT:
LATERAL:
M. TERES MINOR
O - I - A- Innervation

Answer 6

O: Distal part of caudal edge of Scapulae
Ca: Tub.Infraglenoidale

I: Tuberositas Teres minor
A: FLEXES Shoulder
Innervation: N. Axillaris

Question 7

MUSCLES OF SHOULDER JOINT:
LATERAL:
M. TRICIPITIS BRACHII CAPUT LONGUM
O - I - A- Innervation

Answer 7

O: Distal 2/3 of MARGO CAUDALIS of SCAPULAE
I: Tuber olecranii
A: FLEXES SHOULDER, Extends ELBOW joint
Innervation: N.Radialis

Question 8

MUSCLES OF SHOULDER JOINT:
MEDIAL:
M.SUBSCAPULARIS
O - I - A- Innervation

Answer 8

O: Fossa Subscapularis
I: Tub. Minus
A: EXTEND SHOULDER
Innervation: Nn.Axillaris + N.Subscapularis

Question 9

MUSCLES OF SHOULDER JOINT:
MEDIAL:
M.TERES MAJOR
O - I - A- Innervation

Answer 9

O: Prox on MARGO CAUDALIS scapulae + angulus caudalis
I: Tuberositas teres major (together w/ Latissimus dorsi)
A: FLEXES Shoulder Joint
Innervation: Branches of N. Axillaris

Question 10

MUSCLES OF SHOULDER JOINT:
MEDIAL:
M.CORACOBRACHIALIS
O - I - A- Innervation

Answer 10

O: Proc. Coracoideus
I: Tub. Minor
A: Extends shoulder Joint
Innervation: N.Musculocutaneus

Question 11

MUSCLES OF SHOULDER JOINT:
MEDIAL:
M.BICEPS BRACHII
O - I - A- Innervation

Answer 11

O: Tuberculum supraglenoidale
I: Tuberositas Radii & Ulnae
A: EXTEND & STABILIZES  SHOULDER, 
FLEXES ELBOW
Innervation: N. Musculocutaneous

Question 12

MUSCLES OF SHOULDER JOINT:
MEDIAL
M.ARTICULATIO HUMERII

Answer 12

Only in EQ

= TENSES JOINT CAPSULE