ANATOMY EXAM 2 TRUE/FALSE

An example of a FIRST CLASS LEVER would be the hyperextension of the head by the trapezius.

True

In skeletal muscles the basic unit of contraction is called a TENDON OF INSERTION.

false

Maintaining tension on the patella is primarily accomplished by the action of the ADDUCTOR MUSCLES OF THE THIGH.

false

Muscles that are coagonists in causing flexion of the brachium at the shoulder are the BICEPS BRACHII, BRACHIALIS, AND THE CORACOBRACHIALIS.

false

Plantar flexion of the foot is supported by PERONEUS LONGUS, PERONEUS TERTIUS, TIBIALIS POSTERIOR, FLEXOR HALLICUS LONGUS.

false

The Achilles tendon inserts on the TALUS bone.

false

The GRACILIS muscle flexes the hip and flexes the knee and laterally rotates the femur.

false

The VASTUS INTERMEDIUS muscle flexes the hip and extend the knee.

false

The action of ADDUCTION of the arm at the shoulder is caused by the action of the pectoralis minor.

false

The biceps brachii flexes the shoulder and EXTENDS the elbow.

false

The brachialis muscle (brachialis anticus) inserts on the radius.

false

The following muscles insert on the pes anserine: SARTORIUS, GRACILIS, SEMITENDINOSUS, SEMIMEMBRANOSUS.

false

The most common type of level in the body is the FIRST CLASS LEVER.

false

The muscle of the antebrachium that inserts on the anterior side of the distal phalanx of digits 2-5 is the EXTENSOR DIGITORUM COMMUNIS.

false

The quadriceps of the femur insert on various borders of the TIBIA.

false

The sternocleidomastoid muscle inserts on the SPHENOID bone.

false

The supraspinatus, infraspinatus, teres minor and the CORACOBRACHIALIS are the rotator cuff muscles.

false

The tendons of insertion of the EXTENSOR DIGITORUM COMMUNIS corss the writs through the carpal tunnel.

false

The tendons of insertion of the flexor digitorum muscles are held close to the wrist by the POSTERIOR CARPAL RETINACULUM.

false

The trapezius muscle in humans ORIGINATES on the acromian process, spine of scapula, and clavicle.

false

The trapezius muscle, in the human, inserts on the ULNA.

false

A muscle that flexes the elbow and supinates the hand is the BICEPS BRACHII.

true

An APONEUROSIS is a broad, flat, tendinous sheet.

true

An example of a MULTIPENNATE muscles are the deltoid and the serratus anetrior.

true

Between the skin and the muscle mass is a layer of connective tissue called the SUPERFICIAL fascia.

true

Major muscles attaching to the vetetral border of the scapula include the SERRATUS ANTERIOR AND RHOMBOID (RHOMBOIDEUS) MAJOR.

true

Many of the EXTENSOR muscles originate on the lateral epicondyle of the humerus.

true

Muscles originating on the medial epicondyle of the humerus normally tend to be FLEXORS of the wrist, hand, or fingers.

true

The GLUTEUS MAXIMUS muscle adducts the thigh at the hip.

true

The PALMARIS LONGUS muscle functions to tense the palmar fascia (palmar aponeurosis) of the hand and also contributes to the flexion of the wrist.

true

The RETINACULUM is a thickening of fascia that holds strucutres in place.

true

The SHORT HEAD of the biceps femoris originates on the linea aspera of the femur.

true

The TIBIALIS ANTERIOR muscle inverts the foot.

true

The action of flexion of the wrist by the flexor carpi ulnaris muscle is an example of a CLASS 3 LEVER.

true

The antagonist of the brachialis muscle is the TRICEPS BRACHII.

true

The conspicous sheath of dense fibrous connective tissue covering the muscle mass of the forearm is the ANTEBRACHIAL FASCIA.

true

The following muscles aid in the flexion of the arm at the elbow: BICEPS BRACHII, BRACHIALIS, AND BRACHIORADIALIS.

true

The proximal part of the upper limb is called the arm or BRACHIUM.

true

The sheet of dense fibrous connective tissue that connects the radius to the ulna along much of their lengths is called an INTEROSSEOUS MEMBRANE.

true

The system of dense fibrous connective tissue that covers the muscle mass of the thigh is the FASCIA LATA.

true

The thick sheet (strip) of consicuously dense fibrous connective tissue that runs along the lateral side of the thigh is claled the ILIOTIBIAL BAND.

true

The triceps brachii has its insertion on the olecranon process of the ulna.

true

These following muscles aid in the movement of scapular UPWARD rotation: trapezius and serratus anterior.

true

Three muscles in the cat represent the trapezius muscle of humans.

true

Usually, the tendon of a muscle attached to the more movable of the two bones is called the tendon of INSERTION.

true

Weak places in the structure of the abdominal wall occur at the UMBILICUS AND INGUINAL CANALS.

true