All categories

3 years ago

Which muscles move the arm

Health

2 answers:

lesya692 [45]3 years ago

4 0

The pectoralis major, lassimus doris, deltord, and rotator cuff muscles connect to humerus and move the arm

kompoz [17]3 years ago

3 0

Answer:

1- common origin for muscles that move the arm

scapula (except latissimus dorsi and pectoralis major)

2- common insertion for muscles that move the arm

humerus (except latissimus dorsi and pectoralis major)

3- common innervation of muscles that move the arm

cervical nerves

4- coracobrachialis

origin: scapula

insertion: humerus

innervation: cervical nerve

action: adduction and flexion of shoulder

5- deltoid

origin: scapula

insertion: humerus

innervation: cervical nerve

action: abduction of shoulder

-anterior- flexion and medial rotation of shoulder

-posterior- extension and lateral rotation of shoulder

6- supraspinatus muscle

origin: scapula

insertion: humerus

innervation: cervical nerve

action: abduction at shoulder

7- infraspinatus muscle

origin: scapula

insertion: humerus

innervation: cervical nerve

action: lateral rotation of shoulder

8- subscapularis

origin: scapula

insertion: humerus

innervation: cervical nerve

action: medial rotation of the shoulder

9- teres major and minor

origin: scapula

insertion: humerus

innervation: cervical nerve

actions

-major: extension and medial rotation of shoulder

-minor: lateral rotation and adduction of shoulder

10- triceps brachii (long head)

origin: scapula

insertion: humerus

innervation: cervical nerve

action: extension at the elbow

11- latissimus dorsi

origin: spinous process T7-T12

insertion: intertubercular groove of humerus

innervation: cervical nerve

action: abduction and medial rotation of shoulder

12- pectoralis major

origin: clavicle and sternum

insertion: intertubercular groove of humerus

innervation: cervical nerve

action: flexion, extension, adduction, medially rotate arm at shoulder

13- origin of latissimus dorsi

spinous process C7-C12

14- insertion of latissimus dorsi

intertubercular groove of humerus

15- action of latissimus dorsi

abduction and medially rotate shoulder

16- origin of pectoralis major

clavicle and sternum

17- insertion of pectoralis major

intertubercular groove

18- action of pectoralis major

flexion, extension, medial rotation, adduction of shoulder

You might be interested in

Name 3 things that can help avoid procrastination.

mash [69]

Answer:

1. Make a plan to get work done-salet a goal to get thr work done

2.set a specific time- write the time on your schedule and stick to it

3. make a schedule-making a schedule will help you increase your motivation

8 0

2 years ago

Read 2 more answers

What type of influence is social media?

just olya [345]

Self- imposed ////////

8 0

2 years ago

A nurse is reading an online journal article about different approaches to health. The nurse is reading about a practice approac

chubhunter [2.5K]

Answer:

The nurse is reading about the evidence-based practice approach (PBE).

Explanation:

The Evidence-Based Practice approach is a type of approach based on the solution of problems in clinical practice where the main scientific evidence and information about the patient is integrated with a clinical expertise as well as preferences and values of the patients. This approach consists of seven steps:

Step 1: Cultivate the inventive spirit by excellent practice.

Step 2: Express clinical questions accurately and objectively through the PICOT format.

Step 3: Find the best scientific evidence found.

Step 4: Critically assess the evidence found.

Step 5: Compose the evidence through clinical expertise and patient preferences for the best decision.

Step 6: Assess the results based on evidence.

Step 7: Disseminate the results.

7 0

3 years ago

Read 2 more answers

discuss a physical activity that benefits flexibility and describe at least two other benefits of performing this activity

Marta_Voda [28]

Discuss a physical activity that benefits flexibility and describe at least two other benefits of performing this activity

-yoga,
- stretching,
- floor bar. "
Benefits: loosen the articulations and correct bad posture,
good for stress...

4 0

3 years ago

Some researchers have claimed that group selection theory is required if we are to explain why people have the capacity to behav

SOVA2 [1]

Answer:

These researchers are confusing the every-day meaning of selfish with the evolutionary meaning; if generous behavior is adaptive, then it is also selfish in evolutionary terms.

Explanation:

From their claim, it is clear that the researchers are simply confusing the general meaning of selfishness with the evolutionary meaning. This means that generous behavior isn't adaptive, because if it is, then it is okay to say that generous behavior is also selfish when defined from an evolutionary point of view.

5 0

3 years ago