Muscles

Question 1

Straited muscle’s other names

Answer 1

Somatic muscles and voluntary muscles

Question 2

Differnce btwn origin and insertion of muscle

Answer 2

Origin remain fixed
Insertion moves

Question 3

Origin remain fixed
Insertion moves

Answer 3

Not defined

Question 4

2 parts of a muscle:

Answer 4

1) belly
2) fibrous part - tendon
Non contractile and inelastic

Question 5

Blood and nerve suply to a tendon

Answer 5

1) nerve supply- golgi tendon nerve ending
2) bv- capillary from muscles and periosteal artery

Question 6

Aponeurosis?

Answer 6

Flatten tendon

Question 7

Physical Characters of myscle fibre

Answer 7

1) myocyte
2)multinucleated - to the periphery of sacrolemma
3) has many fibrills called myofibril

Question 8

Z line is also called

Answer 8

Krause’s membrane

Question 9

Breakdown of muscle parts

Answer 9

Muscle
Fasicle
Fibres
Myofibrills
Myofilaments - actin + myosin

Question 10

Connective tissue in muscle

Answer 10

Epimysium - on muscle fibre
Perimysium - on muscle bundle
Endomysium- on muscle it is continuous with tendon

Question 11

Type 1 muscles characters 5 points

Answer 11

1) slow / tonic muscles
2) more mitochondria and oxidative enzymes
3) resistant to fatigue
4) less in atp/ phosphorylases
5) red in colour/ myoglobin

Question 12

Type 2 muscles 5 points

Answer 12

1) fast / phasic muscles
2)pale in colour
3) more glycogen and atp
4) less mitochondira
5) for large scale movements

Question 13

What are intermediate muscles

Answer 13

Variant of type 2 muscles