Muscles Flashcards
(42 cards)
What separates the skin from muscles and bones?
Connective tissue called ‘fascia’, both superficial and deep
Bones function as-
Joints function as-
Levers
Fulcrums
What does superficial fascia involve?
Subcutaneous fatty layer under the skin
Important in surgical incision and spread of infection
Deep fascia is-
Thin layer of dense fibrous connective tissue which covers all skeletal muscles
What muscles are found along each side of the spinous processes?
A collection of muscles call the ‘erector spinae’
What are the erector spinae responsible for?
Extension of the spine-> erect posture of the body
Relaxing with control for Flexion of trunk
Which joint aids the wide range of movement of the upper limb?
The scapula thoracic joint
What muscle is responsible for the elevation, adduction and depression of the scapula?
The trapezius
What muscle is responsible for the protraction of the scapula?
Serratus anterior
Where are the intrinsic muscles located for the movements of the hand?
In the hand itself (small muscles)
The extrinsic muscles for the hand are where?
In the forearm, with their tendons passing to the hand
Flexor muscles for the hand are where?
In the anterior compartment of the forearm
How are the tendons held in place at the wrist joint?
By a band of connective tissue called the FLEXOR RETINACULUM
What is the iliotibial tract?
A fibrous band on the lateral side of the thigh. Attached to gluteus Maximus and distally to the tibia
What muscle(s) are attached to the lesser trochanter of the femur?
The iliopsoas muscle, which consists of the iliacsus and the psoas major
Which of the quadriceps femoris are attached proximally to the ilium?
The rectus femoris
What group of muscles are attached to the ischial tuberosity? What do they do?
3 hamstring muscles
Flex the knee and extend the hip joint
Extension of the ankle joint is also called
Dorsiflexion
Flexion of the ankle joint is also called
Plantarflexion
What does ‘rectus’ mean?
Straight line
What is the linea alba?
The white midline raphe (from xiphoid process to pubic symphysis
What is the deltoid? What movements is it responsible for?
Thick triangular muscle that covers shoulder
Abduction, Flexion and extension of the shoulder joint
What is the deltoid attached to?
Clavicle, acromion process and spine of scapula, deltoid tuberosity of the humerus
Where does the pectoralis major attatch to the humerus?
At the bicipital groove